Canadian Cardiovascular Society functional classification(redirected from Class III)
Canadian Cardiovascular Society functional classificationCardiology 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
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.