<prompt> Myocardial uptake gated acquisition scan MUGA is done forTesting drug toxicityVentricular function Anthracyclin induced toxicityMyocardial perfusionNone  <response>: MUGA scan can assess the degree of damage to the myocardium following a MI. More importantly, it can give an accurate and reproducible assessment of left ventricular function. It is used in patients undergoing chemotherapy e.g. anthracycline to assess whether the drugs are having an adverse effect on cardiac function. 