echocardiography: regurgitant fraction of prosthetic aortic valve at end of inspiration
echocardiography: regurgitant fraction of prosthetic aortic valve at end of inspiration
echocardiography: regurgitant fraction of prosthetic aortic valve at end of inspiration (procedure)
echocardiography: regurgitant fraction of prosthetic aortic valve at end of inspiration (procedure)