echocardiography: systolic peak flow velocity of left ventricular outflow tract at end of expiration
echocardiography: systolic peak flow velocity of left ventricular outflow tract at end of expiration
echocardiography: systolic peak flow velocity of left ventricular outflow tract at end of expiration
echocardiography: systolic peak flow velocity of left ventricular outflow tract at end of expiration