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