echocardiography: peak diastolic velocity (D2) of distal right pulmonary vein at end of inspiration
echocardiography: peak diastolic velocity (d2) of distal right pulmonary vein at end of inspiration
echocardiography: peak diastolic velocity (D2) of distal right pulmonary vein at end of inspiration
echocardiography: peak diastolic velocity (d2) of distal right pulmonary vein at end of inspiration