rest radionuclide ventriculography (feet up): left ventricle function worse vs. previous study
rest radionuclide ventriculography (feet up): left ventricle function worse vs. previous study
rest radionuclide ventriculography (feet up): left ventricle function worse vs. previous study (procedure)
rest radionuclide ventriculography (feet up): left ventricle function worse vs. previous study (procedure)