<Table> <Tr> <Th> NYHA Class </Th> <Th> Symptoms </Th> </Tr> <Tr> <Td> </Td> <Td> Cardiac disease , but no symptoms and no limitation in ordinary physical activity , e.g. no shortness of breath when walking , climbing stairs etc . </Td> </Tr> <Tr> <Td> II </Td> <Td> Mild symptoms ( mild shortness of breath and / or angina ) and slight limitation during ordinary activity . </Td> </Tr> <Tr> <Td> III </Td> <Td> 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 . </Td> </Tr> <Tr> <Td> IV </Td> <Td> Severe limitations . Experiences symptoms even while at rest . Mostly bedbound patients . </Td> </Tr> </Table>
new york heart association functional classification of angina
II