echocardiography: right ventricular/left ventricular cardiac output ratio of prosthetic pulmonary valve at rest
echocardiography: right ventricular/left ventricular cardiac output ratio of prosthetic pulmonary valve at rest
echocardiography: right ventricular/left ventricular cardiac output ratio of prosthetic pulmonary valve at rest (procedure)
echocardiography: right ventricular/left ventricular cardiac output ratio of prosthetic pulmonary valve at rest (procedure)