echocardiography: calculated systolic mean flow gradient of descending thoracic aorta at end of inspiration
echocardiography: calculated systolic mean flow gradient of descending thoracic aorta at end of inspiration
echocardiography: calculated systolic mean flow gradient of descending thoracic aorta at end of inspiration (procedure)
echocardiography: calculated systolic mean flow gradient of descending thoracic aorta at end of inspiration (procedure)