Canadian Cardiovascular Society Angina Classification
(Last Updated - 8/19/2011)
Class 0:
Asymptomatic
Class 1:
Angina with strenuous exercise
Class 2:
Angina with moderate exercise
Class 3:
Angina with mild exercise (walking 1-2 level blocks at a normal pace or climbing one flight of stairs at a normal pace
Class 4:
Inability to perform any activity without angina or angina at rest
========================================================
References: