echocardiography: peak diastolic velocity (D2) time-velocity integral (TVI) of distal left pulmonary vein
echocardiography: peak diastolic velocity (d2) time-velocity integral (tvi) of distal left pulmonary vein
echocardiography: peak diastolic velocity (D2) time-velocity integral (TVI) of distal left pulmonary vein (procedure)
echocardiography: peak diastolic velocity (d2) time-velocity integral (tvi) of distal left pulmonary vein (procedure)