echocardiography: effective regurgitant orifice of prosthetic aortic valve at end of expiration
echocardiography: effective regurgitant orifice of prosthetic aortic valve at end of expiration
echocardiogram prosthetic aortic effective regurgitant orifice at end inspiration
echocardiogram prosthetic aortic effective regurgitant orifice at end inspiration