echocardiography: systolic time intervals (STI) of aortic valve at end of inspiration
echocardiography: systolic time intervals (sti) of aortic valve at end of inspiration
echocardiography: systolic time intervals (STI) of aortic valve at end of inspiration (procedure)
echocardiography: systolic time intervals (sti) of aortic valve at end of inspiration (procedure)