Table 3.

New York Health Association classification of heart failure symptoms

NYHA class I	Cardiac disease, but no symptoms and no limitation in ordinary physical activity, e.g. no shortness of breath when walking, climbing stairs etc
NYHA class II	Mild symptoms (mild shortness of breath and/or angina) and slight limitation during ordinary activity
NYHA class III	Marked limitation in activity due to symptoms, even during less-than-ordinary activity, e.g. walking short distances (20–100 m). Comfortable only at rest
NYHA class IV	Severe limitations. Experiences symptoms even while at rest. Mostly bedbound patients