echocardiogram ejection fraction left ventricular lvef echo muga assessed radionuclide 
gated muga acquisition multi echocardiogram fraction scan ejection cardiac echo 
gated muga acquisition echocardiogram lvef left fraction ejection ventricular scan 
fraction echocardiogram shortening ejection radionuclide angiogram gated muga study cardiac 
ejection fraction cardiac echocardiogram radionuclide echo normal angiogram muga function 
multigated acquisition muga echocardiogram fraction ejection left scan ventricular echo 
echocardiography ejection left fraction muga ventricular acquisition lvef gated scan