Standard of care

In tort law, the standard of care is the only degree of prudence and caution required of an individual who is under a duty of care.

The requirements of the standard are closely dependent on circumstances. Whether the standard of care has been breached is determined by the trier of fact, and is usually phrased in terms of the reasonable person. It was famously described in Vaughn v. Menlove (1837) as whether the individual "proceed[ed] with such reasonable caution as a prudent man would have exercised under such circumstances".

In certain industries and professions, the standard of care is determined by the standard that would be exercised by the reasonably prudent manufacturer of a product, or the reasonably prudent professional in that line of work. Such a test (known as the "Bolam Test") is used to determine whether a doctor is liable for medical malpractice. The standard of care is important because it determines the level of negligence required to state a valid cause of action. In the business world the standard of care taken can be described as Due Diligence or performing a Channel Check.

A standard of care is a medical or psychological treatment guideline, and can be general or specific. It specifies appropriate treatment based on scientific evidence and collaboration between medical and/or psychological professionals involved in the treatment of a given condition.

Some common examples:

1. Diagnostic and treatment process that a clinician should follow for a certain type of patient, illness, or clinical circumstance. Adjuvant chemotherapy for lung cancer is "a new standard of care, but not necessarily the only standard of care". (New England Journal of Medicine, 2004)

2. In legal terms, the level at which an ordinary, prudent professional with the same training and experience in good standing in a same or similar community would practice under the same or similar circumstances. An "average" standard would not apply because in that case at least half of any group of practitioners would not qualify. The medical malpractice plaintiff must establish the appropriate standard of care and demonstrate that the standard of care has been breached, with expert testimony.

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