echocardiography: diastolic time-velocity integral (TVI) of descending thoracic aorta with stress
echocardiography: diastolic time-velocity integral (tvi) of descending thoracic aorta with stress
echocardiography: diastolic time-velocity integral (TVI) of descending thoracic aorta with stress
echocardiography: diastolic time-velocity integral (tvi) of descending thoracic aorta with stress