Grading chronic angina pectoris (myocardial ischemia).

Once 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 (c) 2010 Wiley Periodicals, Inc.