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Grade I: Ordinary physical activity (such as walking and climbing stairs) does not cause angina. Angina occurs with strenuous, rapid, or prolonged exertion at work or recreation |
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Grade II: A slight limitation of ordinary activity. Angina occurs when: – Walking or climbing stairs rapidly – Walking uphill – Walking or climbing stairs after meals, in cold, or in wind, or when under emotional stress, or only during the few hours after awakening – Walking >200 meters or climbing more than 1 flight of stairs at a normal pace and in normal conditions |
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Grade III: Marked limitation of ordinary physical activity. Angina occurs when walking 100-200 meters or climbing 1 flight of stairs at a normal pace in normal conditions |
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Grade IV: Inability to carry on any physical activity without discomfort; anginal syndrome may be present at rest |
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Source: Canadian Cardiovascular Society. Canadian Cardiovascular Society grading of angina pectoris. www.ccs.ca. |