Im scheduled for a Nuclear Injection on the 19th. Ive had 2 heart attacks, 2 stents, and I experience arrhythmia. I have C.O.P.D., emphysema, and a Family history of Dilated Cardiomyopathy. No swelling in legs, ankles, or feet. Im 58 years old. Possible liver disease, Hep C, or fatty liver. Is this test safe for me?