Classification of angina severity according to the Canadian Cardiovascular Society
| Class . | Level of symptoms . |
|---|---|
| Class I | ‘Ordinary activity does not cause angina’ |
| Angina with strenuous or rapid or prolonged exertion only | |
| Class II | ‘Slight limitation of ordinary activity’ |
| Angina on walking or climbing stairs rapidly, walking uphill or exertion after meals, in cold weather, when under emotional stress, or only during the first few hours after awakening | |
| Class III | ‘Marked limitation of ordinary physical activity’ |
| Angina on walking one or two blocks on the level or one flight of stairs at a normal pace under normal conditionsa | |
| Class IV | ‘Inability to carry out any physical activity without discomfort’ or ‘angina at rest’ |
| Class . | Level of symptoms . |
|---|---|
| Class I | ‘Ordinary activity does not cause angina’ |
| Angina with strenuous or rapid or prolonged exertion only | |
| Class II | ‘Slight limitation of ordinary activity’ |
| Angina on walking or climbing stairs rapidly, walking uphill or exertion after meals, in cold weather, when under emotional stress, or only during the first few hours after awakening | |
| Class III | ‘Marked limitation of ordinary physical activity’ |
| Angina on walking one or two blocks on the level or one flight of stairs at a normal pace under normal conditionsa | |
| Class IV | ‘Inability to carry out any physical activity without discomfort’ or ‘angina at rest’ |
aEquivalent to 100–200 m.
Classification of angina severity according to the Canadian Cardiovascular Society
| Class . | Level of symptoms . |
|---|---|
| Class I | ‘Ordinary activity does not cause angina’ |
| Angina with strenuous or rapid or prolonged exertion only | |
| Class II | ‘Slight limitation of ordinary activity’ |
| Angina on walking or climbing stairs rapidly, walking uphill or exertion after meals, in cold weather, when under emotional stress, or only during the first few hours after awakening | |
| Class III | ‘Marked limitation of ordinary physical activity’ |
| Angina on walking one or two blocks on the level or one flight of stairs at a normal pace under normal conditionsa | |
| Class IV | ‘Inability to carry out any physical activity without discomfort’ or ‘angina at rest’ |
| Class . | Level of symptoms . |
|---|---|
| Class I | ‘Ordinary activity does not cause angina’ |
| Angina with strenuous or rapid or prolonged exertion only | |
| Class II | ‘Slight limitation of ordinary activity’ |
| Angina on walking or climbing stairs rapidly, walking uphill or exertion after meals, in cold weather, when under emotional stress, or only during the first few hours after awakening | |
| Class III | ‘Marked limitation of ordinary physical activity’ |
| Angina on walking one or two blocks on the level or one flight of stairs at a normal pace under normal conditionsa | |
| Class IV | ‘Inability to carry out any physical activity without discomfort’ or ‘angina at rest’ |
aEquivalent to 100–200 m.
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