echocardiography: systolic TVI1/TVI2 ratio of prosthetic aortic valve at end of expiration
echocardiography: systolic tvi1/tvi2 ratio of prosthetic aortic valve at end of expiration
prosthetic aortic valve systolic TVI1/TVI2 ratio at end of expiration
prosthetic aortic valve systolic tvi1/tvi2 ratio at end of expiration