NYHA Classification of heart failure,”Class I: symptoms only occur with vigorous activities II: symptoms with prolonged or moderate exertion, slight limitation of activitiesIII: symptoms occur during ADLs

NYHA Classification of heart failure,”Class I: symptoms only occur with vigorous activities II: symptoms with prolonged or moderate exertion, slight limitation of activitiesIII: symptoms occur during ADLs

markedly limitingIV: symptoms occur at rest”