echocardiography: diastolic/systolic time-velocity integral (TVI) ratio of descending thoracic aorta at end of expiration
echocardiography: diastolic/systolic time-velocity integral (tvi) ratio of descending thoracic aorta at end of expiration
descending thoracic aorta diastolic/systolic TVI ratio at end of expiration
descending thoracic aorta diastolic/systolic tvi ratio at end of expiration