Category: E
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Erythema marginatum
A form of erythema multiforme in which the center of the area fades, leaving elevated edges. Erythema marginatum is marked by the sudden onset and disappearance of a pink rash, which can manifest on any part of the body excluding the face. This symptom is typically associated with rheumatic fever.
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Erysiphake
A small spoon shaped device used in cataract surgery to remove the lens by suction.
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Erysipelotoxin
The poisonous substance produced by Streptococcus pyogenes, the causative agent of erysipelas.
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Error disclosure
Reporting to a patient that a mistake was made in the provision of his or her health care. It is a practice that is widely advocated by bioethicists but generally eschewed by practitioners because of fears of litigation or investigation. When surveyed, patients report wanting full disclosure of any errors made during their treatment. They…
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Error chain
Linked events that ultimately result in an adverse patient outcome.
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Erratic
Having an unpredictable or fluctuating course or pattern; wandering.
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Erotology
The study of love and its manifestations.
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Erosive
Able to produce erosion.
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Erosion of cervix uteri
The alteration of the epithelium on a portion of the cervix as a result of irritation or infection.
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E rosette test
A laboratory test performed to identify human T lympho cytes. When T lymphocytes combine with sheep red blood cells in a culture, a cluster of cells called a rosette forms. This test is often replaced by the use of monoclonal antibodies that identify the CD4 receptor specific for T cells.