echocardiography: diastolic time-velocity integral (TVI) of distal right pulmonary vein at end of expiration
echocardiography: diastolic time-velocity integral (tvi) of distal right pulmonary vein at end of expiration
distal right pulmonary vein diastolic TVI at end of expiration
distal right pulmonary vein diastolic tvi at end of expiration