echocardiography: leaf velocity of prosthetic mitral valve (D-E) at end of expiration
echocardiography: leaf velocity of prosthetic mitral valve (d-e) at end of expiration
echocardiography: leaf velocity of prosthetic mitral valve (D-E) at end of expiration (procedure)
echocardiography: leaf velocity of prosthetic mitral valve (d-e) at end of expiration (procedure)