section name header

Table 4-1

Canadian Cardiovascular Society (CCS) Classification System

ClassDefinition
CCS 1Angina with strenuous or prolonged activity
CCS 2Angina with moderate activity (walking greater than two level blocks or one flight of stairs)
CCS 3Angina with mild activity (walking less than two level blocks or one flight of stairs)
CCS 4Angina that occurs with any activity or at rest

Anginal symptoms may include typical chest discomfort or anginal equivalents.

Data from Sangareddi V, Anand C, Gnanavelu G, et al. Canadian Cardiovascular Society classification of effort angina: an angiographic correlation. Coron Artery Dis. 2004;15(2):111-114.