AbstractOnce it is determined that the patient's symptoms are thought to be due to chronic stable myocardial ischemia, the symptoms are then graded as 1 to 4 using the Canadian Cardiovascular Society classification (CCVS). Class 1‐angina with strenuous exertion, Class ll‐angina with moderate exertion, Class lll‐angina with mild exertion, Class lV‐angina with any level of physical exertion. Copyright © 2010 Wiley Periodicals, Inc.
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