Canadian Cardiovascular Society functional classification

(redirected from Class III)

Canadian Cardiovascular Society functional classification

Cardiology A system used to stratify the severity of angina pectoris. See APSAC. Cf New York Heart Association classification.
Canadian Cardiovascular Society–functional classification severity of unstable angina
Class I
Usual physical activity, eg walking or climbing stairs, does not cause angina; angina is evoked by strenuous and/or rapid work or recreation
Class II
Slight limitation of ordinary activities, eg after walking 2 blocks, climbing one flight of steps, under normal circumstances, after meals, in the cold, wind, in the morning, or when under emotional stress
Class III
Marked limitation of ordinary activities, eg walking 1-2 blocks or climbing stairs under normal circumstances
Class IV
Inability to carry out any physical activity without discomfort–angina may be present at rest
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Circulation 1976, 54:522; JAMA, 1999; 281:1258-1260
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
References in classic literature ?
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