echocardiography: diastolic regurgitant velocity of prosthetic mitral valve at rest
echocardiography: diastolic regurgitant velocity of prosthetic mitral valve at rest
echocardiography: diastolic regurgitant velocity of prosthetic mitral valve at rest (procedure)
echocardiography: diastolic regurgitant velocity of prosthetic mitral valve at rest (procedure)