echocardiography: pre-ejection period (PEP) of aortic valve at end of inspiration
echocardiography: pre-ejection period (pep) of aortic valve at end of inspiration
echocardiography: pre-ejection period (PEP) of aortic valve at end of inspiration (procedure)
echocardiography: pre-ejection period (pep) of aortic valve at end of inspiration (procedure)