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