Angina unstable

Definition: Angina pectoris (or equivalent type of ischemic discomfort) with any 1 of the 3 following features: a) Angina occurring at rest and prolonged, usually greater than 20 minutes; b) New onset angina of at least Canadian Cardiovascular Society Grading Scale (or CCS classification system) classification severity III or greater; c) Recent acceleration in angina accentuated by an increase in severity of at least 1 CCS class to at least CCS class III. The biomarkers of necrosis are below the threshold of myocardial infarction. (NIH Roadmap Cardiovascular Data Standards Working Group)

Synonyms (terms occurring on more labels are shown first): unstable angina, angina unstable, crescendo angina, angina at rest, unstable angina pectoris, unstable an gina, angina- Unstable, UAP, pre-infarction angina, angina-Unstable, angina -- Unstable, angina - Unstable

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