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