preferred_name: rest radionuclide ventriculography (feet up): right ventricular ejection fraction
preferred_name_lc: rest radionuclide ventriculography (feet up): right ventricular ejection fraction
label: rest radionuclide ventriculography (feet up): right ventricular ejection fraction
label_lc: rest radionuclide ventriculography (feet up): right ventricular ejection fraction