echocardiography: 1/2 diastolic filling period of prosthetic mitral valve at rest
echocardiography: 1/2 diastolic filling period of prosthetic mitral valve at rest
echocardiography: 1/2 diastolic filling period of prosthetic mitral valve at rest
echocardiography: 1/2 diastolic filling period of prosthetic mitral valve at rest