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