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Definition of Purpura, acute thrombocytopenic

Purpura, acute thrombocytopenic: Sudden onset of low blood platelet levels, with bleeding into the skin and elsewhere. Abbreviated ATP. ATP can have many causes; for example, it can be a potentially serious complication during the acute phase of measles infection.

Source: MedTerms™ Medical Dictionary
Last Editorial Review: 3/30/2012

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