echocardiography: atrial reversal time-velocity integral (TVI) of distal left pulmonary vein
echocardiography: atrial reversal time-velocity integral (tvi) of distal left pulmonary vein
echocardiography: atrial reversal time-velocity integral (TVI) of distal left pulmonary vein
echocardiography: atrial reversal time-velocity integral (tvi) of distal left pulmonary vein