Canadian Cardiovascular Society’s angina klassifikation:1 CCS Klass I Ordinary physical activity, such as walking and climbing stairs, does not cause angina.  Angina with strenuous, rapid, or prolonged exertion at work or recreation. II Slight limitation of ordinary activity.  Walking or climbing stairs rapidly, walking up hill, walking or stair climbing after meals, in cold, in wind, or … Continue reading CCS angina klassifikation