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  • Medical tests

    Medical tests

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    • Abnormal clinical and laboratory findings

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    • Blood tests

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    • Breath tests

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    • Cancer screening

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    • Chemical pathology

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    • CSF tests

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    • Diabetes-related tests

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    • Electrodiagnosis

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    • Endoscopy

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    • Medical imaging

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    • Immunologic tests

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    • Medical assessment and evaluation instruments

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    • Medical monitoring

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    • Medical testing equipment

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    • Physical examination

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    • Psychiatric instruments

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    • Pulmonary function testing

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    • Reflexes

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    • Medical scales

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    • Skin tests

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    • Stool tests

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    • Tests during pregnancy

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    • Tests for pregnancy

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    • Toxicology tests

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    • Urine tests

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    • Lab Tests Online

    • Lab Tests Online is a peer-reviewed, patient-centered, non-profit web resource about clinical laboratory testing. The site provides information on clinical lab tests as well as conditions that are managed or diagnosed by lab tests. Lab Tests Online also provides summaries of recommendations by age, feature articles on ... Read »


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    • Medical test

    • Medical test

      A medical test is a kind of medical procedure performed to detect, diagnose, or monitor diseases, disease processes, susceptibility, and determine a course of treatment. It is related to clinical chemistry and molecular diagnostics, and the procedures are typically performed in a medical laboratory. Medical test ... Read »


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    • Acid perfusion test

    • Acid perfusion test, also called the Bernstein test, is a test done to reproduce the pain when the lower esophagus is irrigated with an acid solution in patients with GERD (gastroesophageal reflux disease). There will be a negative result in normal people. Bernstein test is obsolete nowadays. 24 hour pH monitoring is ... Read »


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    • Allergy test

    • Allergy testing can help confirm or rule out allergies and consequently reduce adverse reactions and limit unnecessary avoidance and medications. Correct allergy diagnosis, counseling and avoidance advice based on valid allergy test results is of utmost importance and can help reduce the incidence of symptoms, need for ... Read »


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    • Anal Pap smear

    • An anal Pap smear is the anal counterpart of the cervical Pap smear. It is used for the early detection of anal cancer. Some types of human papillomavirus (HPV) can cause anal cancer. Other HPV types cause anogenital warts. Cigarette smokers, men who have sex with men, individuals with a history of immunosuppression (s ... Read »


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    • Angioscopy

    • Angioscopy is a medical technique for visualizing the interior of blood vessels. In this technique, a flexible fiberoptic catheter inserted directly into an artery. It can be helpful in diagnosing e.g. arterial embolism. Angioscopy is also used as an adjunctive procedure during vascular bypass to visualize valves withi ... Read »


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    • Arterial resistivity index

    • The arterial resistivity index (also called as Resistance index, abbreviated as RI), developed by Leandre Pourcelot, is a measure of pulsatile blood flow that reflects the resistance to blood flow caused by microvascular bed distal to the site of measurement. The formula used to calculate resistance index is: The ... Read »


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    • Autoinoculation

    • Autoinoculation is derived from the Latin root words "autos" and "inoculate" that mean "self implanting" or "self infection" or "implanting something from oneself".Autoinoculation can refer to both beneficial medical procedures (e.g. vaccination) as well as non-beneficial or harmful natural processes (e.g. infection or ... Read »


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    • BASDAI

    • The BASDAI or Bath Ankylosing Spondylitis Disease Activity Index is a validated diagnostic test which allows a physician, usually a rheumatologist, to determine the effectiveness of a current drug therapy, or the need to institute a new drug therapy for the treatment of Ankylosing spondylitis (AS). The BASDAI is one of ... Read »


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    • BASFI

    • The Bath Ankylosing Spondylitis Functional Index was named for the location of the institution (Bath England) where authors A. Calin and co-workers developed this validated index to determine the degree of functional limitation in patients with the inflammatory autoimmune disease Ankylosing Spondylitis (AS). These rese ... Read »


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    • Bloodletting

    • Bloodletting (or blood-letting) is the withdrawal of blood from a patient to cure or prevent illness and disease. Bloodletting was based on an ancient system of medicine in which blood and other bodily fluids were regarded as "humors" that had to remain in proper balance to maintain health. It is claimed to have been t ... Read »


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    • Bone conduction auditory brainstem response

    • Bone-conduction auditory brainstem response or BCABR is a type of auditory evoked response that records neural response from EEG with stimulus transmitted through bone conduction. Vibration of the skull results in auditory sensation. This is a way to somewhat bypass the outer and middle ears to stimulate the cochl ... Read »


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    • Bone marrow examination

    • Bone marrow examination

      Bone marrow examination refers to the pathologic analysis of samples of bone marrow obtained by bone marrow biopsy (often called a trephine biopsy) and bone marrow aspiration. Bone marrow examination is used in the diagnosis of a number of conditions, including leukemia, multiple myeloma, lymphoma, anemia, and pancytop ... Read »


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    • Boston Diagnostic Aphasia Examination

    • The Boston Diagnostic Aphasia Examination or BDAE is a neuropsychological battery used to evaluate adults suspected of having aphasia, and is currently in its third edition. It was created by Harold Goodglass and Edith Kaplan. The BDAE evaluates language skills based on perceptual modalities (auditory, visual, and gest ... Read »


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    • Box and Blocks Test

    • The Box and Blocks Test (BBT) is a functional test used in upper limb rehabilitation. The test is used to measure the gross manual dexterity of a patient, or of a person using an upper limb prosthetic device. The test consists of a box with a partition in the middle. Blocks are placed at one side of the partition. The ... Read »


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    • Bronchial challenge test

    • A bronchial challenge test is a medical test used to assist in the diagnosis of asthma. The patient breathes in nebulized methacholine or histamine. Thus the test may also be called a methacholine challenge test or histamine challenge test respectively. Both drugs provoke bronchoconstriction, or narrowing of the airway ... Read »


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    • Bronchoalveolar lavage

    • Bronchoalveolar lavage (BAL; informally, "bronchoalveolar washing") is a medical procedure in which a bronchoscope is passed through the mouth or nose into the lungs and fluid is squirted into a small part of the lung and then collected for examination. It is typically performed to diagnose lung disease. In particular ... Read »


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    • California mastitis test

    • The California Mastitis Test (CMT) is a simple cow-side indicator of the somatic cell count of milk. It operates by disrupting the cell membrane of any cells present in the milk sample, allowing the DNA in those cells to react with the test reagent, forming a gel. It provides a useful technique for detecting subclinica ... Read »


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    • CAMP test

    • The CAMP test is a test to identify Group B β- based on their formation of a substance (CAMP factor) that enlarges the area of hemolysis formed by β-hemolysin from Staphylococcus aureus. It is frequently used to identify Group B Strep (. Although usually used to identify group "B", there is some evidence tha ... Read »


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    • Cannabis drug testing

    • Cannabis drug testing describes various drug test methodologies for the use of cannabis in medicine, sport, and law. Cannabis use is highly detectable and can be detected by urinalysis, hair analysis, as well as saliva tests for days or weeks. Unlike alcohol, for which impairment can be reasonably measured using a bre ... Read »


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    • Cardiac catheterization

    • Cardiac catheterization (heart cath) is the insertion of a catheter into a chamber or vessel of the heart. This is done both for diagnostic and interventional purposes. Subsets of this technique are mainly coronary catheterization, involving the catheterization of the coronary arteries, and catheterization of cardiac c ... Read »


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    • Cardiac stress test

    • Cardiac stress test

      A cardiac stress test (or cardiac diagnostic test) is a cardiological test that measures a heart's ability to respond to external stress in a controlled clinical environment. The stress response is induced by exercise or by drug stimulation. Cardiac stress tests compare the coronary circulation while the patient is at ... Read »


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    • Carrier testing

    • Carrier testing is a type of genetic testing that is used to determine if a person is a carrier for a specific autosomal recessive diseases. This kind of testing is used most often by couples who are considering becoming pregnant to determine the risks of their child inheriting one of these genetic disorders. Gene ... Read »


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    • Challenge–dechallenge–rechallenge


    • Checkpoint (rapid HIV testing facility)

    • Checkpoint was the name of the first rapid HIV testing facility in the Netherlands. This project, run on a voluntary basis, was based in Amsterdam. From 21 June 2002 until its closure on 27 June 2008 almost 5000 people opted for a Checkpoint HIV test. The rapid HIV testing employed by Checkpoint was for the whole of i ... Read »


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    • Chemosensitivity assay

    • A chemosensitivity assay is a laboratory test that measures the number of tumor cells that are killed by chemotherapy. The test is done after the tumor cells are removed from the body. A chemosensitivity assay may help in choosing the best drug or drugs for the cancer being treated. With dozens of chemotherapy agents ... Read »


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    • Cholesterol test

    • Lipid profile or lipid panel is a panel of blood tests that serves as an initial broad medical screening tool for abnormalities in lipids, such as cholesterol and triglycerides. The results of this test can identify certain genetic diseases and can determine approximate risks for cardiovascular disease, certain forms o ... Read »


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    • Colonic polypectomy

    • Colonic polypectomy is the removal of colorectal polyps in order to prevent them from turning cancerous. Gastrointestinal polyps can be removed endoscopically through colonoscopy or esophagogastroduodenoscopy, or surgically if the polyp is too large to be removed endoscopically. The method used to perform colonic poly ... Read »


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    • Companion diagnostic

    • A companion diagnostic is a diagnostic test used as a companion to a therapeutic drug to determine its applicability to a specific patient. This technology is an assay that is developed during or after a drug is made available on the market and is helpful in enhancing the therapeutic treatment available based on the i ... Read »


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    • Comprehensive aphasia test

    • The comprehensive aphasia test (CAT) was created by Kate Swinburn, Gillian Porter and David Howard. The CAT is a new test for people who have acquired aphasia, the impairment of language ability. The comprehensive assessment can be completed over one or two sessions. The test contains a cognitive screening, a language ... Read »


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    • CT scan

    • CT scan

      A CT scan (often referred to as a CAT scan) makes use of computer-processed combinations of many X-ray images taken from different angles to produce cross-sectional (tomographic) images (virtual "slices") of specific areas of a scanned object, allowing the user to see inside the object without cutting. Digital geometr ... Read »


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    • Cranio-corpography

    • Cranio-Corpo-Graphy (CCG) is a medical investigation and measurement procedure developed in 1968 by German neurootologist Claus-Frenz Claussen. It documents and evaluates disorders of the equilibrium function measured by investigation procedures such as the Unterberger test, the LOLAVHESLIT test, the NEFERT test, the R ... Read »


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    • CSF tap test

    • The CSF tap test, sometimes lumbar tap test or Miller Fisher Test, is a medical test that is used to decide whether shunting of cerebrospinal fluid (CSF) would be helpful in a patient with suspected normal pressure hydrocephalus (NPH). The test involves removing 30 mL of cerebrospinal fluid (CSF) through a lumbar punct ... Read »


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    • Cystometry

    • Cystometry

      Cystometry, also known as flow cystometry, is a clinical diagnostic procedure used to evaluate bladder function. Specifically, it measures contractile force of the bladder when voiding. The resulting chart generated from cystometric analysis is known as a cystometrogram (CMG), which plots volume of liquid emptied from ... Read »


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    • Cytometry

    • Cytometry is the measurement of the characteristics of cells. Variables that can be measured by cytometric methods include cell size, cell count, cell morphology (shape and structure), cell cycle phase, DNA content, and the existence or absence of specific proteins on the cell surface or in the cytoplasm. Cytometry is ... Read »


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    • Czermak-Hering test

    • The Czermak-Hering test is a vagal maneuver consisting of the application of external digital pressure to the carotid sinus. The test is performed at the patient's bedside by imposing moderate pressure with the fingers, repeatedly massaging the left or the right carotid arteries. The Czermak–Hering test is a ... Read »


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    • DecisionDx-UM

    • DecisionDx-UM is a prognostic test that accurately determines the metastatic risk associated with ocular melanoma tumors of the eye. Ocular melanoma is a term commonly used to describe tumors of the uveal tract such as uveal melanoma, choroidal melanoma, ciliary body melanoma, and iris melanoma. The DecisionDx-UM test ... Read »


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    • Differential staining

    • Differential Staining is a staining process which uses more than one chemical stain. Using multiple stains can better differentiate between different microorganisms or structures/cellular components of a single organism. Differential staining is used to detect abnormalities in the proportion of different white blood c ... Read »


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    • Differential vascular labeling

    • Differential Vascular Labeling is a labeling method that allows differentiation between blood and lymphatic systems for intravital imaging. This approach takes advantage of the differences in particle distribution across blood and lymphatic endothelia. The DVL is based on a single intravenous injection of a fluorescent ... Read »


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    • Divided visual field paradigm

    • The Divided Visual Field Paradigm is an experimental technique that involves measuring task performance when visual stimuli are presented on the left or right visual hemifields. If a visual stimulus appears in the left visual field (LVF), the visual information is initially projected to the right cerebral hemisphere (R ... Read »


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    • Dix–Hallpike test


    • Drug test

    • A drug test is a technical analysis of a biological specimen, for example urine, hair, blood, breath, sweat, or oral fluid/saliva—to determine the presence or absence of specified parent drugs or their metabolites. Major applications of drug testing include detection of the presence of performance enhancing steroi ... Read »


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    • Duochrome test

    • A duochrome test is a test commonly used to refine the final sphere in refraction, which makes use of the chromatic aberration of the eye. Because of the chromatic aberration of the eye, the shorter wavelengths (green) are focused in front of the longer red wavelengths. The patient is asked to compare the clarity of t ... Read »


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    • Electroencephalography functional magnetic resonance imaging

    • EEG-fMRI (short for EEG-correlated fMRI or electroencephalography-correlated functional magnetic resonance imaging) is a multimodal neuroimaging technique whereby EEG and fMRI data are recorded synchronously for the study of electrical brain activity in correlation with haemodynamic changes in brain during the electric ... Read »


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    • Electrocardiography

    • Electrocardiography

      Electrocardiography (ECG or EKG*) is the process of recording the electrical activity of the heart over a period of time using electrodes placed on the skin. These electrodes detect the tiny electrical changes on the skin that arise from the heart muscle's electrophysiologic pattern of depolarizing during each heartbea ... Read »


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    • Electrocochleography

    • Electrocochleography (abbreviated ECochG or ECOG) is a technique of recording electrical potentials generated in the inner ear and auditory nerve in response to sound stimulation, using an electrode placed in the ear canal or tympanic membrane. The test is performed by an otologist or audiologist with specialized train ... Read »


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    • Elek's test


    • Elimination diet

    • An elimination diet, also known as exclusion diet and oligoantigenic diet, is a method of identifying foods that an individual cannot consume without adverse effects. Adverse effects may be due to food allergy, food intolerance, other physiological mechanisms (such as metabolic or toxins), or a combination of these. El ... Read »


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    • Endoluminal capsule monitoring

    • Endoluminal capsule monitoring is a non-invasive medical diagnostic procedure which uses a miniaturized wireless radio transmitter embedded into an ingestible water-tight capsule. The patient ingests the capsule and while it transits through the gastrointestinal system, it sends signals to the outside, which are captur ... Read »


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    • Esophageal electrophysiologic procedure

    • The esophageal electrophysiologic procedure is a procedure used to detect cardiac arrhythmias. A nasal tube is placed into the nostril and fed into the esophagus. EKG readings from this area are much more accurate due to the close proximity to the heart. ... Read »


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    • Esophageal motility study

    • Esophageal motility study

      An esophageal motility study (EMS) or esophageal manometry is a test to assess motor function of the upper esophageal sphincter (UES), esophageal body and lower esophageal sphincter (LES). An EMS is typically done to evaluate suspected disorders of motility or peristalsis of the esophagus. These include achalasia, ... Read »


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    • Evocative/suppression testing


    • Evoked potential

    • An evoked potential or evoked response is an electrical potential recorded from the nervous system of a human or other animal following presentation of a stimulus, as distinct from spontaneous potentials as detected by electroencephalography (EEG), electromyography (EMG), or other electrophysiologic recording method. S ... Read »


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    • Exosome (vesicle)

    • Exosomes are cell-derived vesicles that are present in many and perhaps all eukaryotic fluids, including blood, urine, and cultured medium of cell cultures. The reported diameter of exosomes is between 30 and 100 nm, which is larger than low-density lipoproteins (LDL) but much smaller than, for example, red blood ce ... Read »


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    • False positives and false negatives

    • In medical statistics, false positives and false negatives are concepts analogous to type I and type II errors in statistical hypothesis testing, where a positive result corresponds to rejecting the null hypothesis, and a negative result corresponds to not rejecting the null hypothesis. The terms are often used interch ... Read »


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    • Fern test

    • Fern test refers to detection of a characteristic 'fern like' pattern of cervical mucus when a specimen of cervical mucus is allowed to dry on a glass slide and is viewed under a low-power microscope. The fern test is used to provide evidence of the presence of amniotic fluid and is used in obstetrics to detect the rup ... Read »


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    • Fibrinogen uptake test

    • A fibrinogen uptake test is a test that was formerly used to detect deep vein thrombosis. Radioactive labeled fibrinogen is given which is incorporated in the thrombus. The thrombus can then be detected by scintigraphy. ... Read »


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    • Flatline

    • A flatline is an electrical time sequence measurement that shows no activity and therefore, when represented, shows a flat line instead of a moving one. It almost always refers to either a flatlined electrocardiogram, where the heart shows no electrical activity (asystole), or to a flat electroencephalogram, in which t ... Read »


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    • Flexible Endoscopic Evaluation of Swallowing with Sensory Testing

    • Flexible Endoscopic Evaluation of Swallowing with Sensory Testing (FEESST), or laryngopharyngeal sensory testing, is a technique used to directly examine motor and sensory functions of swallowing so that proper treatment can be given to patients with swallowing difficulties to decrease their risk of aspiration (food an ... Read »


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    • Flow cytometry

    • In biotechnology, flow cytometry is a laser- or impedance-based, biophysical technology employed in cell counting, cell sorting, biomarker detection and protein engineering, by suspending cells in a stream of fluid and passing them by an electronic detection apparatus. It allows simultaneous multiparametric analysis of ... Read »


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    • Flow-through test

    • Flow-through tests or immunoconcentration assays are a type of diagnostic assay that allows users to test for the presence of a biomarker, usually a specific antibody, in a sample such as blood. They are a type of point of care test, a test designed to be used by a healthcare provider at patient contact. Point of care ... Read »


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    • Fluid deprivation test

    • A fluid or water deprivation test is a medical test which can be used to determine whether the patient has diabetes insipidus as opposed to other causes of polydipsia (a condition of excessive thirst that causes an excessive intake of water). The patient is required, for a prolonged period, to forgo intake of water com ... Read »


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    • Fluorescent glucose biosensor

    • Fluorescent glucose biosensors are devices that measure the concentration of glucose in diabetic patients by means of sensitive protein that relays the concentration by means of fluorescence, an alternative to amperometric sension of glucose. No device has yet entered the medical market, but, due to the prevalence of d ... Read »


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    • Focused impedance measurement

    • Focused Impedance Measurement (FIM) is a recent technique for quantifying the electrical resistance in tissues of the human body with improved zone localization compared to conventional methods. This method was proposed and developed by Department of Biomedical Physics and Technology of University of Dhaka under the su ... Read »


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    • Gastric tonometry

    • Gastric tonometry describes the measurement of the carbon dioxide level inside the stomach in order to assess the degree of blood flow to the stomach and bowel. The measurement of gut mucosal carbon dioxide has been used to detect decreased blood flow. Accumulation of carbon dioxide is predominantly a result of hypope ... Read »


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    • Genetic testing

    • Genetic testing, also known as DNA testing, allows the determination of bloodlines and the genetic diagnosis of vulnerabilities to inherited diseases. In agriculture, a form of genetic testing known as progeny testing can be used to evaluate the quality of breeding stock. In population ecology, genetic testing can be u ... Read »


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    • Genetic Testing Laboratories

    • Genetic Testing Laboratories (GTL) is a DNA testing company that specializes in DNA paternity testing, relationship and ancestry tests. Headquartered in Las Cruces, New Mexico, the company also has offices in Brighton, England and Brisbane, Australia. GTL is part of General Genetics Corporation General Genetics wh ... Read »


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    • GeneXpert MTB/RIF


    • GERRI

    • GERRI, an acronym for geriatric evaluation by relative's rating instrument, is a diagnostic tool for rating cognitive function, social function and mood in geriatric patients. ... Read »


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    • Gluten challenge test

    • The gluten challenge test (short: gluten challenge) is a medical test in which gluten-containing foods are consumed and (re-)occurrence of symptoms is observed afterwards to determine whether and how much a patient reacts to these foods. The test may be performed in patients with suspected gluten-related disorders in v ... Read »


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    • Glycated hemoglobin

    • Glycated hemoglobin (hemoglobin A1c, HbA1c, A1C, or Hb1c; sometimes also referred to as being Hb1c or HGBA1C) is a form of hemoglobin that is measured primarily to identify the three-month average plasma glucose concentration. The test is limited to a three-month average because the lifespan of a red blood cell is four ... Read »


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    • Gold standard (test)

    • In medicine and statistics, gold standard test usually refers to a diagnostic test or benchmark that is the best available under reasonable conditions. Other times, gold standard is used to refer to the most accurate test possible without restrictions. Both meanings are different because for example, in medicine, deal ... Read »


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    • H antigen

    • H antigen can refer to one of various types of antigens having diverse biological functions. H antigen is located on 19th chromosome : ... Read »


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    • Ham test

    • The Ham test is a test used in the diagnosis of paroxysmal nocturnal hemoglobinuria (PNH). The test involves placing red blood cells in mild acid; a positive result (increased RBC fragility) indicates PNH or Congenital dyserythropoietic anemia. This is now an obsolete test for diagnosing PNH due to its low sensitivity ... Read »


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    • Hamster egg penetration test

    • Hamster egg-penetration test (HEPT) (or simply Sperm penetration test) is an in-vitro test used to study physiological profile of spermatozoa. It makes use of zona-free hamster egg, which resembles human ovum. A normal sperm is capable of penetrating the egg, showing its fertilizing capacity. The test is expensive and ... Read »


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    • Hamster zona-free ovum test

    • The hamster zona-free ovum test (HZFO test), or hamster test is a method for diagnosing male infertility due to the inability of the sperm to penetrate the ova. This test has limited value for most people experiencing infertility. In this test, sperm are incubated with several hamster eggs. After seven to twenty h ... Read »


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    • Harvard step test

    • The Harvard step test is a type of cardiac stress test for detecting and diagnosing cardiovascular disease. It also is a good measurement of fitness and a person's ability to recover after a strenuous exercise. The more quickly the heart rate returns to resting, the better shape the person is in. It is a kind of cardi ... Read »


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    • Hearing test

    • Hearing test

      A hearing test provides an evaluation of the sensitivity of a person's sense of hearing and is most often performed by an audiologist using an audiometer. An audiometer is used to determine a person's hearing sensitivity at different frequencies. There are other hearing tests as well, e.g., Weber test and Rinne test. ... Read »


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    • Heidelberg test

    • The Heidelberg test is a medical diagnostic test used in the diagnosis of hypochlorhydria, i.e. insufficient hydrochloric acid in the stomach. When performing the Heidelberg test, the patient swallows a small electronic device about the size of a vitamin capsule. This device tracks acid levels in the stomach as the pa ... Read »


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    • High resolution manometry

    • High-resolution manometry (HRM) is a gastrointestinal motility diagnostic system that measures intraluminal pressure activity in the gastrointestinal tract using a series of closely spaced pressure sensors. For a manometry system to be classified as "high-resolution" as opposed to "conventional", the pressure sensors n ... Read »


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    • Holmes rebound phenomenon

    • The Holmes rebound phenomenon is a reflex that occurs when one attempts to move a limb against resistance that is suddenly removed. When the resistance is removed, the limb will usually move a short distance in the original direction, at which point the antagonist muscles will contract, causing the muscle to yank back ... Read »


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    • Hypertrophic cardiomyopathy screening

    • Hypertrophic cardiomyopathy, or HCM, is the leading cause of sudden cardiac death (SCD) in young athletes. HCM is frequently asymptomatic until SCD, and thus its prevention requires screening. Screening by medical history and physical exam are mostly ineffective, indicating heart abnormalities in only 3% of patients wh ... Read »


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    • Impedance phlebography

    • Impedance phlebography, or impedance plethysmography (IPG), is a non-invasive medical test that measures small changes in electrical resistance of the chest, calf or other regions of the body. These measurements reflect blood volume changes, and can indirectly indicate the presence or absence of venous thrombosis. This ... Read »


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    • Inferior petrosal sinus sampling

    • Inferior petrosal sinus sampling is a relatively new approach to the diagnosis of Cushing's disease. In essence, it tests to see the source of the raised ACTH levels in a patient with diagnosed Cushing's syndrome and high or normal serum ACTH levels. The inferior petrosal sinus is where the pituitary gland drains. The ... Read »


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    • International Biosciences

    • Industry Biotechnology Founded 2005 (2005) in the United Kingdom
      Area served
      Worldwide Products Natera Panorama prenatal test; peace of mind relationship tests, ancestry and genetic predisposition tests. Services
    • International Biosciences

      International Biosciences (IBDNA), is a UK-based DNA testing company with offices in Brighton, East Sussex. The company offers a range of DNA tests including the Natera Panorama prenatal test as well as peace of mind relationship tests, ancestry and genetic predisposition testing., International Biosciences operates wo ... Read »


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    • ISET Test

    • The ISET Test (Isolation by Size of Tumor cells / Trophoblastic cells) is a diagnostic blood test that detects circulating tumor cells in a blood sample. The test uses an in-vitro diagnostic system developed at INSERM, the Université Paris Descartes and Assistance Publique Hôpitaux de Paris (AP-HP) in order to is ... Read »


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    • KOH test

    • The KOH Test for Candida albicans, also known as a potassium hydroxide preparation or KOH prep, is a quick, inexpensive fungal test to differentiate dermatophytes and Candida albicans symptoms from other skin disorders like psoriasis and eczema. Dermatophytes are a type of fungus that invades the top layer of the skin ... Read »


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    • Kurzrock–Miller test


    • Langleys nicotine test

    • The Langley Nicotine test is used to determine the relay-site of autonomic fibers. The test is the following: First stimulate the preganglionic fiber and notice the response that appears. By adding a large dose of nicotine, the ganglion (site of relay between pre- and postganglionic fibers) is blocked. Now the pregang ... Read »


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    • Latex fixation test

    • A latex fixation test, also called a latex agglutination assay or test (LA assay or test), is an assay used clinically in the identification and typing of many important microorganisms. These tests use the patient's antigen-antibody immune response. This response occurs when the body detects a pathogen and forms an ant ... Read »


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    • Lesion-specific calcium score

    • The lesion-specific calcium score is a method of calcium measurement that results from a CT test for coronary artery calcification. Coronary disease, which most often is equated with atherosclerotic coronary artery disease, has been identified as the leading cause of death worldwide. The initial presentation of corona ... Read »


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    • Liebermann–Burchard test


    • Lipid profile

    • Lipid profile or lipid panel is a panel of blood tests that serves as an initial broad medical screening tool for abnormalities in lipids, such as cholesterol and triglycerides. The results of this test can identify certain genetic diseases and can determine approximate risks for cardiovascular disease, certain forms o ... Read »


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    • LogMAR chart

    • A LogMAR chart comprises rows of letters and is used by optometrists, ophthalmologists and vision scientists to estimate visual acuity. This chart was developed at the National Vision Research Institute of Australia in 1976, and is designed to enable a more accurate estimate of acuity as compared to other charts (e.g., ... Read »


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    • LOLAVHESLIT

    • LOLAVHESLIT (longitudinal, lateral, vertical head-sliding test) is a medical examination procedure developed in 1999 by German neurootologist Claus-Frenz Claussen. The procedure serves in diagnosing diseases in relation to cervical vertebrae and the vertebral column as well as diagnosing movement disorders of the neck ... Read »


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    • Magnetoencephalography

    • Magnetoencephalography

      Magnetoencephalography (MEG) is a functional neuroimaging technique for mapping brain activity by recording magnetic fields produced by electrical currents occurring naturally in the brain, using very sensitive magnetometers. Arrays of SQUIDs (superconducting quantum interference devices) are currently the most common ... Read »


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    • Mechanography

    • Mechanography (also referred to as jumping mechanography or Muscle Mechanography) is a medical diagnostic measurement method for motion analysis and assessment of muscle function and muscle power by means of physical parameters. The method is based on measuring the variation of the ground reaction forces over the time ... Read »


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    • Mechanomyogram

    • The mechanomyogram (MMG) is the mechanical signal observable from the surface of a muscle when the muscle is contracted. At the onset of muscle contraction, gross changes in the muscle shape cause a large peak in the MMG. Subsequent vibrations are due to oscillations of the muscle fibres at the resonance frequency of t ... Read »


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    • Minor test

    • The Minor test (starch-iodine test) described by Minor in 1928 is a qualitative test used to evaluate sudomotor function (sweating). Method An iodine solution is applied to the skin and allowed to air-dry. Once dry the area is dusted with cornstarch or potato flour. Sweating is then encouraged with the aid of pilocar ... Read »


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    • Mitotic index

    • Mitotic index is defined as the ratio between the number of cells in a population undergoing mitosis to the number of cells in a population not undergoing mitosis. The purpose of the mitotic index is to measure cellular proliferation. The mitotic index is an important prognostic factor predicting both overall surv ... Read »


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    • Molecular diagnostics

    • Molecular diagnostics is a collection of techniques used to analyse biological markers in the genome and proteome—the individual's genetic code and how their cells express their genes as proteins—by applying molecular biology to medical testing. The technique is used to diagnose and monitor disease, detect ri ... Read »


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    • Molecular reference standards

    • Molecular/Genomic reference standards are a class of ‘controls’ or standards used to check the performance of molecular diagnostic assays. Molecular/Genomic Reference Materials (RMs) are selected or engineered to model a specific genetic biomarker as it occurs in a patient biopsy. Reference materials (RM) are ... Read »


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    • Multifocal technique

    • Multifocal techniques are used in electroretinogram and visual evoked potential recordings to separate the responses originating from the stimulation of different locations in the visual field (and thus different retinal locations). The concept is as follows: Each visual field location is stimulated with a stimulus se ... Read »


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    • Multiple electrode aggregometry

    • Multiplate multiple electrode aggregometry (MEA) is a test of platelet function in whole blood. The test can be used to diagnose platelet disorders, monitor antiplatelet therapy, and is also investigated as a potential predictor of transfusion requirements and bleeding risk in cardiac surgery. The Multiplate MEA A ... Read »


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    • Multiple inert gas elimination technique

    • The multiple inert gas elimination technique (MIGET) is a medical technique used mainly in pulmonology that involves measuring the concentrations of various infused, inert gases in mixed venous blood, arterial blood, and expired gas of a subject. The technique quantifies true shunt, physiological dead space ventilation ... Read »


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    • Multiple of the median

    • A multiple of the median (MoM) is a measure of how far an individual test result deviates from the median. MoM is commonly used to report the results of medical screening tests, particularly where the results of the individual tests are highly variable. MoM was originally used as a method to normalize data from partic ... Read »


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    • Nano-tetherball Sensor

    • Nano-tetherball Sensor is one of newly discovered methods in detecting glucose in the human body. Nano-tetherball Sensor for Glucose has attracted attention of diabetic medical community due to its methods and high sensitivity in performance. The machine’s name comes from the fact that its design is similar to a s ... Read »


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    • Nardi test

    • The Nardi test, also known as the morphine-neostigmine provocation test is a test for dysfunction of the sphincter of Oddi, a valve which divides the biliary tract from the duodenum. Two medications, morphine and neostigmine, are given to people with symptoms concerning for sphincter dysfunction, including sharp right- ... Read »


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    • NEFERT

    • NEFERT (Neck Flexion Rotation Test) is a medical examination procedure developed in 1999 by German neurootologist Claus-Frenz Claussen. The procedure serves for investigating intracorporal movement differences between head and body, especially at the atlanto-axial joint and the lower cervical spine column. The met ... Read »


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    • NephroCheck

    • NephroCheck is an assay to assess the risk of developing acute kidney injury. The laboratory test was developed by Astute Medical, in San Diego, California, in collaboration with clinical investigators. It was notable for being the first test of its kind for determining whether certain critically ill hospitalized patie ... Read »


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    • Neurofeedback

    • Neurofeedback (NFB), also called neurotherapy or neurobiofeedback, is a type of biofeedback that uses real-time displays of brain activity—most commonly electroencephalography (EEG), to teach self-regulation of brain function. Typically, sensors are placed on the scalp to measure activity, with measurements displa ... Read »


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    • Neutrophil Oxidative Index

    • Neutrophil Oxidative Burst Test (or Chronic Granulomatous Disease (CGD) Test) is a measure of neutrophil oxidation is a useful assay in the diagnosis of chronic granulomatous disease and is also a useful means to determine the overall metabolic integrity of phagocytosing neutrophils. The NADPH oxidase enzyme is missing ... Read »


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    • Nitrogen washout

    • Nitrogen washout (or Fowler's method) is a test for measuring anatomic dead space in the lung during a respiratory cycle, as well as some parameters related to the closure of airways. A nitrogen washout can be performed with a single nitrogen breath, or multiple ones. Both tests use similar tools, both can estimat ... Read »


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    • Oncotype DX

    • Oncotype DX, is a commercial diagnostic test that estimates the likelihood of disease recurrence in women with early-stage hormone estrogen receptor (ER) positive only breast cancer (prognostic significance). It remains unproven whether the test also provides information about the likely benefit from chemotherapy (pred ... Read »


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    • Oncotype DX Colon Cancer Assay

    • The Oncotype DX Colon Cancer Assay, developed by Genomic Health, is a genomic test that has been clinically available for patients with newly diagnosed stage II colon cancer, since January 2010. The test is a validated diagnostic assay based on an individual patient’s colon tumor expression of 12 genes, which quan ... Read »


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    • Oral food challenge

    • An oral food challenge is a method for determining if a person has a specific food allergy. It involves giving increasing amounts of a food and watching to see if an allergic reaction occurs. They are potentially dangerous. ... Read »


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    • OraQuick

    • OraQuick

      OraQuick is a home HIV test approved by the United States Food and Drug Administration in 2012 and released for sale over the counter later that same year. The test is performed by taking an oral swab of the inside of the human mouth and reported to show results within twenty minutes. It can provide a valid result if ... Read »


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    • Ortho Clinical Diagnostics

    • Ortho Clinical Diagnostics

      Ortho Clinical Diagnostics is an in vitro diagnostics company that makes products and diagnostic equipment for blood testing. Ortho serves two primary industries in the medical field: clinical laboratories, by producing platforms and assays that test for a variety of diseases, conditions, and substances; and immunohema ... Read »


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    • Overscreening

    • Overscreening, also called unnecessary screening, is the performance of medical screening without a medical indication to do so. Screening is a medical test in a healthy person who is showing no symptoms of a disease and is intended to detect a disease so that a person may prepare to respond to it. Screening is indicat ... Read »


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    • Pack-year

    • A pack-year is a quantification of cigarette smoking. It's used in a clinical context to measure a person's exposure to tobacco and assess their risk of developing lung cancer or other pathologies related to tobacco use. However, it is difficult to rely the assessment based on the pack-year due to the different nature ... Read »


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    • Pap test

    • Pap test

      The Papanicolaou test (abbreviated as Pap test, known earlier as Pap smear, cervical smear, or smear test) is a method of cervical screening used to detect potentially pre-cancerous and cancerous processes in the cervix (opening of the uterus or womb). Abnormal findings are often followed up by more sensitive diagnosti ... Read »


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    • Peanut butter test

    • The peanut butter test is a diagnostic test which aims to detect Alzheimer's disease by measuring subjects' ability to smell peanut butter through each nostril. The test was originally reported in October 2013 by researchers from the University of Florida's McKnight Brain Institute, led by professor Kenneth Heilman, an ... Read »


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    • Perfusion scanning

    • Perfusion is defined as the passage of fluid through the lymphatic system or blood vessels to an organ or a tissue. The practice of perfusion scanning, is the process by which this perfusion can be observed, recorded and quantified. The term perfusion scanning encompasses a wide range of medical imaging modalities. ... Read »


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    • Peritoneal equilibration test

    • In nephrology, the peritoneal equilibration test (PET), is a tool used by nephrologists to determine the characteristics of the peritoneal membrane mass transport characteristics, when assessing a patient for peritoneal dialysis. The peritoneal equilibration test (PET) is a semiquantitative assessment of peritoneal me ... Read »


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    • Phi complex

    • The phi complex is a brain rhythm in the awake human brain that appears to serve various social functions. Phi is one of several brain rhythms in the awake human brain that coordinate human behavior. "Phi" operates in the 10-Hz band (ten oscillations per second), and is located above the right centro-parietal cortex. I ... Read »


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    • Phonocardiogram

    • Phonocardiogram

      A phonocardiogram (or PCG) is a plot of high-fidelity recording of the sounds and murmurs made by the heart with the help of the machine called the phonocardiograph; thus, phonocardiography is the recording of all the sounds made by the heart during a cardiac cycle. . The sounds result from vibrations created by c ... Read »


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    • Phonomyography

    • Phonomyography (PMG) (also known as acoustic myography, sound myography, vibromyography, and surface mechanomyogram) is a technique to measure the force of muscle contraction by recording the low frequency sounds created during muscular activity. Although, until recently, less precise than the more traditional mechano ... Read »


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    • Point-of-care genetic testing

    • Point-of-care genetic testing identifies variations in the genetic sequence at the bedside – enabling clinicians to react and alter therapy based upon the results. Traditional genetic testing involves the analysis of DNA in order to detect genotypes related to a heritable disease or phenotype of interest for clin ... Read »


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    • Point-of-care testing

    • Point-of-care testing (POCT), or bedside testing is defined as medical diagnostic testing at or near the point of care—that is, at the time and place of patient care. This contrasts with the historical pattern in which testing was wholly or mostly confined to the medical laboratory, which entailed sending off spec ... Read »


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    • Poppy seed test

    • In medicine, the poppy seed test is a diagnostic test used before surgery to predict if surgery will find a vesicointestinal fistula or colovesical fistula (an abnormal direct pathway between the colon and urinary bladder) or other type of vesicointestinal fistula. The test is very simple. The patient is fed 1.25 ounc ... Read »


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    • Porges-Meier reaction

    • Porges-Meier reaction is a precipitation test used in the diagnosis of syphilis. It is an early flocculation test for syphilis. Precipitate formation takes place in a serum by the addition of a solution of sodium glycocholate. This reaction, according to Otto Porges, only occur in syphilis. Reference: http://ajp.ps ... Read »


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    • Postage stamp test

    • The Postage stamp test is a test used to evaluate nocturnal erections in a workup of male impotence. A length of connected postage stamps connected by perforations that allow easy tearing are secured loosely around the male's flaccid penis just prior to sleeping. If the perforated connections between the individual sta ... Read »


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    • Postcoital test

    • The postcoital test (PCT) (also known as Sims test, Huhner test or Sims-Huhner test) is a test in the evaluation of infertility. The test examines interaction between sperm and mucus of the cervix. The PCT is scheduled close to ovulation when mucus is abundant, and the infertile couple is asked to have sexual inte ... Read »


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    • Prausnitz–Küstner test


    • Predictive testing

    • Predictive testing is a form of genetic testing. It is also known as presymptomatic testing. These types of testing are used to detect gene mutations associated with disorders that appear after birth, often later in life. These tests can be helpful to people who have a family member with a genetic disorder, but who hav ... Read »


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    • Predictive value of tests

    • Predictive value of tests is the probability of a target condition (for example a disease) given by the result of a test, often in regard to medical tests. A conversion of continuous values into binary values can be performed, such as designating a pregnancy test as "positive" above a certain cutoff value, but this co ... Read »


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    • Preferential hyperacuity perimetry

    • Preferential hyperacuity perimetry is a psychophysical test used to identify and quantify visual abnormalities such as metamorphopsia and scotoma. It is a type of perimetry. Vision abnormalities such as metamorphopsia (distortions) and scotoma are symptoms of retinal diseases such as Macular degeneration. In advan ... Read »


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    • Pulmonary function testing

    • Pulmonary function testing

      Pulmonary Function Testing (PFT) is a complete evaluation of the respiratory system including patient history, physical examinations, chest x-ray examinations, arterial blood gas analysis, and tests of pulmonary function. The primary purpose of pulmonary function testing is to identify the severity of pulmonary impairm ... Read »


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    • Pulmonary wedge pressure

    • The pulmonary wedge pressure or PWP, or cross-sectional pressure (also called the pulmonary arterial wedge pressure or PAWP, pulmonary capillary wedge pressure or PCWP, pulmonary venous wedge pressure or PVWP, or pulmonary artery occlusion pressure or PAOP), is the pressure measured by wedging a pulmonary catheter with ... Read »


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    • Pulse oximetry

    • Pulse oximetry is a noninvasive method for monitoring a person's oxygen saturation (SO2). Its reading of SpO2 (peripheral oxygen saturation) is not always identical to the reading of SaO2 (arterial oxygen saturation) from arterial blood gas analysis, but the two are correlated well enough that the safe, convenient, non ... Read »


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    • Rapid antigen test

    • A rapid antigen test (RAT) or rapid antigen detection test (RADT) is a rapid diagnostic test suitable for point-of-care testing that directly detects the presence or absence of an antigen. This distinguishes it from other medical tests that detect antibodies (antibody tests) or nucleic acid (nucleic acid tests), of eit ... Read »


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    • Rapid diagnostic test

    • A rapid diagnostic test (RDT) is a medical diagnostic test that is quick and easy to perform. RDTs are suitable for preliminary or emergency medical screening and for use in medical facilities with limited resources. They also allow point-of-care testing in primary care for things that formerly only a laboratory test c ... Read »


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    • Rapid strep test

    • Rapid strep test

      The rapid strep test (RST) is a rapid antigen detection test (RADT) that is widely used in clinics to assist in the diagnosis of bacterial pharyngitis caused by (GAS), sometimes termed strep throat. There are currently several types of rapid strep test in use, each employing a distinct technology. However, they all wo ... Read »


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    • Rapid urease test

    • Rapid urease test, also known as the CLO test (Campylobacter-like organism test), is a rapid diagnostic test for diagnosis of Helicobacter pylori. The basis of the test is the ability of H. pylori to secrete the urease enzyme, which catalyzes the conversion of urea to ammonia and carbon dioxide. The test is performed ... Read »


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    • Reaction Agostini

    • Reaction Agostini is the name of a simplified examination for the presence of glucose in human urine. The method consists of preparing a solution of sodium chloride and potassium oxide, adding the urine to be investigated. If there is glucose present, the solution becomes red. ... Read »


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    • Rectal thermometry

    • Rectal thermometry is an umbrella term covering the practice, widely used in modern medicine and science, of taking a mammal's temperature by inserting a thermometer into the aforementioned mammal's rectum via the anus. This is generally regarded as the most accurate means of temperature-taking, but some may consider i ... Read »


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    • Rinne test

    • The Rinne test (/ˈrɪnə/ RIN-ə) is a hearing test, primarily for evaluating loss of hearing in one ear (unilateral hearing loss). It compares perception of sounds transmitted by air conduction to those transmitted by bone conduction through the mastoid. Thus, one can quickly screen for the presence of conduc ... Read »


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    • Rivalta test

    • Rivalta's test is a very simple, inexpensive method that does not require special laboratory equipment and can be easily performed in private practice. This test was originally developed by the Italian researcher Rivalta around 1900 and was used to differentiate transudates and exudates in human patients. This test is ... Read »


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    • Saliva hormone testing

    • Saliva hormone testing is an effort to determine the amount of hormones found in saliva. Though promoted as an accurate way of determining hormone levels in the body, it does not represent either the amount of hormones in the blood, or their biological activity. Saliva testing is often used as part of bioidentical horm ... Read »


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    • Saliva testing

    • Saliva testing is a diagnostic technique that involves laboratory analysis of saliva to identify markers of endocrine, immunologic, inflammatory, infectious, and other types of conditions. Saliva is a useful biological fluid for assaying steroid hormones such as cortisol, genetic material like RNA, proteins such as enz ... Read »


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    • Scanning laser polarimetry

    • Scanning laser polarimetry is the use of polarised light to measure the thickness of the retinal nerve fiber layer as part of a glaucoma workup. The GDx-VCC is one example. However a Dutch study found that while there is a correlation between standard automated perimetry and GDx VCC measurements in patients with glauc ... Read »


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    • Schiller's test


    • Screening (medicine)

    • Screening, in medicine, is a strategy used in a population to identify the possible presence of an as-yet-undiagnosed disease in individuals without signs or symptoms. This can include individuals with pre-symptomatic or unrecognized symptomatic disease. As such, screening tests are somewhat unique in that they are per ... Read »


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    • Screening cultures

    • Screening culture is a type a medical test that is done to find an infection. Screening cultures are often performed to find infections that do not have signs and symptoms. comes from an intrauterine infection of the fetus from the spread of from the vagina of a colonized woman who is typically asymptomatic. Medical ... Read »


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    • Scripps Genomic Health Initiative

    • The Scripps Genomic Health Initiative (SGHI) is a ground-breaking study aimed at understanding how personal genetic testing influences and improves health. Led by Dr. Eric Topol, director of the San Diego-based Scripps Translational Science Institute, the 20-year initiative will determine whether patients make an effo ... Read »


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    • Secretin-cholecystokinin test

    • The secretin-cholecystokinin test (aka Secretin-CCK test, Secretin-Pancreozymin test) is a combination of the secretin test and the cholecystokinin test and is used to assess the function of both the pancreas and gall bladder. Cholecystokinin, a hormone secreted by the APUD cells located in the proximal mucosa of the ... Read »


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    • SelfCollect

    • SelfCollect, LLC, was founded by healthcare professionals in 2015 to offer a confidential, accurate STD home-testing service that allows individuals to collect their own specimens in privacy and comfort, without embarrassing questions or insurance restrictions. It’s estimated that over half of all people will ... Read »


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    • Sereny test

    • The Sereny test is a test used to test the invasiveness of organisms such as Enteroinvasive Escherichia coli. It is also used on Listeria monocytogenes. It is done by inoculating suspension of bacteria into guinea pig's eye. Severe mucopurulent conjunctivitis and severe keratitis indicates a positive test. ... Read »


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    • Serum-ascites albumin gradient

    • The serum-ascites albumin gradient or gap (SAAG) is a calculation used in medicine to help determine the cause of ascites. The SAAG may be a better discriminant than the older method of classifying ascites fluid as a transudate versus exudate. The formula is as follows: Ideally, the two values should be measured at t ... Read »


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    • Sitting-rising test

    • The sitting-rising test is an easy-to-administer test which provides a significant and efficient prediction of mortality risk in elders. It was initially developed in the 1990s. In one study of subjects between the ages of 51 and 80, those who had the lowest score range were 5-6 times more likely to die within the stud ... Read »


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    • Snellen chart

    • A Snellen chart is an eye chart that can be used to measure visual acuity. Snellen charts are named after the Dutch ophthalmologist Herman Snellen who developed the chart in 1862. Many ophthalmologists and vision scientists now use an improved chart known as the LogMAR chart. Snellen developed charts using symbols ... Read »


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    • Sperm–cervical mucus contact test


    • Sputum culture

    • A sputum culture is a test to detect and identify bacteria or fungi that infect the lungs or breathing passages. Sputum is a thick fluid produced in the lungs and in the adjacent airways. A sample of sputum is placed in a sterile container and sent to the laboratory for testing. Sampling may be performed by sputum bein ... Read »


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    • Stethoscope

    • The stethoscope is an acoustic medical device for auscultation, or listening to the internal sounds of an animal or human body. It typically has a small disc-shaped resonator that is placed against the chest, and two tubes connected to earpieces. It is often used to listen to lung and heart sounds. It is also used to l ... Read »


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    • String galvanometer

    • The string galvanometer, also known as the Einthoven galvanometer, invented around 1901 by Dutch physician Willem Einthoven was the first practical electrocardiograph (ECG); it was one of the earliest instruments capable of detecting and recording the very small electric currents produced by the human heart and produce ... Read »


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    • Structured light plethysmography

    • Structured Light Plethysmography (SLP) technology is a noninvasive method for collecting accurate representations of chest and abdominal wall movement. A checkerboard pattern of light is projected from a light projector onto the chest of an individual. Movements of the grid are viewed by two digital cameras, digitalise ... Read »


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    • Sucrose gap

    • The sucrose gap technique is used to create a conduction block in nerve or muscle fibers. A high concentration of sucrose is applied to the extracellular space, which prevents the correct opening and closing of sodium and potassium channels, increasing resistance between two groups of cells. It was originally developed ... Read »


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    • Surround Optical Fiber Immunoassay

    • Surround optical fiber immunoassay

      Surround optical fiber immunoassay (SOFIA) is an ultrasensitive, in vitro diagnostic platform incorporating a surround optical fiber assembly that captures fluorescence emissions from an entire sample. The technology's defining characteristics are its extremely high limit of detection, sensitivity, and dynamic range. S ... Read »


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    • Swedish interactive thresholding algorithm

    • Usually referred to as SITA, the Swedish interactive thresholding algorithm is a method to test for visual field loss, usually in glaucoma testing or monitoring. It is combined with a visual field test such as standard automated perimetry (SAP) or short wavelength automated perimetry (SWAP) to determine visual fields i ... Read »


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    • Tecumseh step test

    • The Tecumseh step test is a modified version of the Harvard Step Test developed by Professor Henry J. Montoye. The main differences from the original protocol were the lower step height (8 inches instead of 20), the more moderate stepping rate (24 steps/min instead of 30) and the shorter duration (3 minutes instead ... Read »


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    • Temperature measurement

    • Temperature measurement (or thermometry) describes the process of measuring a current local temperature for immediate or later evaluation. Datasets consisting of repeated standardized measurements can be used to assess temperature trends. Attempts at standardized temperature measurement prior to the 17th century w ... Read »


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    • Tensiomyography

    • Tensiomyography (TMG) is a measuring method for detection of skeletal muscles’ contractile properties. Tensiomyography assesses muscle mechanical response based on radial muscle belly displacement induced by the single electrical stimulus. It is most commonly performed using TMG S1 system. Tensiomyography measurem ... Read »


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    • Test panel

    • A test panel is a predetermined group of medical tests as an aid in the diagnosis and treatment of disease. Test panels (sometimes called profiles) are typically composed of individual laboratory tests which are related in some way: by the medical condition they are intended to help diagnose (cardiac risk panel), by t ... Read »


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    • Thoracentesis

    • Thoracentesis

      Thoracentesis /ˌθɔːrəsáµ»nˈtiːsáµ»s/, (from Greek, thorax + centesis, puncture) also known as thoracocentesis or pleural tap, is an invasive procedure to remove fluid or air from the pleural space for diagnostic or therapeutic purposes. A cannula, or hollow needle, is carefully introduced int ... Read »


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    • Throat culture

    • A throat culture is a laboratory diagnostic test that evaluates for the presence of a bacterial or fungal infection in the throat. A sample from the throat is collected by swabbing the throat and placing the sample into a special cup (culture) that allows infections to grow. If an organism grows, the culture is positiv ... Read »


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    • Timed Up and Go test

    • The Timed Up and Go test (TUG) is a simple test used to assess a person's mobility and requires both static and dynamic balance. It uses the time that a person takes to rise from a chair, walk three meters, turn around, walk back to the chair, and sit down. During the test, the person is expected to wear their regular ... Read »


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    • Tissue typing

    • Tissue typing is a procedure in which the tissues of a prospective donor and recipient are tested for compatibility prior to transplantation. An embryo can be tissue typed to ensure that the embryo implanted can be a cord-blood stem cell donor for a sick sibling. One technique of tissue typing, "mixed leukocyte reacti ... Read »


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    • Tobey–Ayer Test


    • Tomography

    • Tomography is imaging by sections or sectioning, through the use of any kind of penetrating wave. The method is used in radiology, archaeology, biology, atmospheric science, geophysics, oceanography, plasma physics, materials science, astrophysics, quantum information, and other areas of science. In most cases the prod ... Read »


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    • Tourniquet test

    • A tourniquet test (also known as a Rumpel-Leede capillary-fragility test or simply a capillary fragility test) determines capillary fragility. It is a clinical diagnostic method to determine a patient's haemorrhagic tendency. It assesses fragility of capillary walls and is used to identify thrombocytopenia (a reduced p ... Read »


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    • Transcranial Doppler

    • Transcranial Doppler (TCD) and transcranial color Doppler (TCCD) are types of Doppler ultrasonography that measure the velocity of blood flow through the brain's blood vessels by measuring the echoes of ultrasound waves moving transcranially (through the cranium). These modes of medical imaging conduct a spectral analy ... Read »


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    • Transcutaneous oxygen measurement

    • Transcutaneous oxygen measurement (TCOM or TcPO2) is a non-invasive method of measuring the oxygen level of the tissue below the skin. Since oxygen is carried by the blood, TCOM can be used as an indirect measure of blood flow to the tissue. Since blood flow is important for wound healing, TCOM is often used to gauge t ... Read »


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    • Trinder glucose activity test

    • The Trinder glucose activity test is a diagnostic test used in medicine to determine the presence of glucose or glucose oxidase. The test employs the Trinder reagent, and is a colour change test resulting from the Trinder reaction. The Trinder reagent, named after P. Trinder of the Biochemistry Department of the Royal ... Read »


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    • Trinder spot test

    • The Trinder spot test is a diagnostic test used in medicine to determine exposure to salicylates, particularly to salicylic acid. The test employs the Trinder reagent (a.k.a. Trinder solution) which is mixed with a patient's urine. The colour change, resulting from the Trinder reaction, is immediate, enabling rapid bed ... Read »


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    • Triple smear

    • Triple smear or vaginal-cervical-edocervical (VCE) smear is a cytopathology technique for identifying lesions of the female genital tract. The smear is prepared on separate areas of a single slide with three distinct samples, each from , vagina and endocervix. Each sample occupies one-third of the glass slide. This met ... Read »


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    • Tympanometry

    • Tympanometry

      Tympanometry is an examination used to test the condition of the middle ear and mobility of the eardrum (tympanic membrane) and the conduction bones by creating variations of air pressure in the ear canal. Tympanometry is an objective test of middle-ear function. It is not a hearing test, but rather a measure of energ ... Read »


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    • Tzanck test

    • In dermatopathology, the Tzanck test, also Tzanck smear, is scraping of an ulcer base to look for Tzanck cells. It is sometimes also called the chickenpox skin test and the herpes skin test. Tzanck cells (multinucleated giant cells) are found in: The Tzanck test has been largely replaced by DFA for identification of ... Read »


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    • Veristrat

    • VeriStrat® is a test developed to evaluate patient prognosis and, additionally, predict benefit from cancer treatment by EGFR inhibitors. It is a serum/plasma proteomic test developed using matrix-assisted laser desorption/ionization (MALDI) mass spectrometry. VeriStrat was developed by Biodesix, Inc., a molecular d ... Read »


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    • Viral culture

    • Viral culture is a laboratory test in which samples are placed with a cell type that the virus being tested for is able to infect. If the cells show changes, known as cytopathic effects, then the culture is positive. Traditional viral culture has been generally superseded by shell vial culture, in which the sample is ... Read »


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    • Viral load

    • Viral load, also known as viral burden, viral titre or viral titer, is a numerical expression of the quantity of virus in a given volume. It is often expressed as viral particles, or infectious particles per mL depending on the type of assay. A higher viral burden, titre, or viral load often correlates with the severit ... Read »


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    • Viral load monitoring for HIV

    • Viral load monitoring for HIV is the regular measurement of the viral load of individual HIV-positive people as part of their personal plan for treatment of HIV/AIDS. A count of the viral load is routine before the start of HIV treatment. Various viral load tests might be used. One way to classify tests is by whet ... Read »


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    • Virus counter

    • The Virus Counter is an instrument for rapid quantification of viruses in liquid samples. It is a specialized flow cytometer that uses high-sensitivity fluorescence detection to give a direct measurement of the concentration of virus particles in a fraction of the time required for traditional plaque assays. The Virus ... Read »


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    • Wada test

    • Wada test

      The Wada test, also known as the intracarotid sodium amobarbital procedure (ISAP) establishes cerebral language and memory representation of each hemisphere. Medical professionals conduct the test with the patient awake. Essentially, they introduce a barbiturate (usually sodium amobarbital) into one of the interna ... Read »


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    • Yergason's test


    • YES and YAS assay

    • YES and YAS assay Yeast Estrogen Screen = YES, Yeast Androgen Screen = YAS These in vitro screens have been developed in order to detect estrogenic (YES) and androgenic (YAS) activities of natural and synthetic compounds, mixtures and environmental samples. The test is based on genetically modified yeast cells (Sacch ... Read »


      Wikipedia
    Wikipedia
  • What Else?

    • Medical tests

Extras