Radioactive dye is an essential component of a nuclear stress test, as it’s used to produce vivid images of your heart and your blood flow as the heart is pumping. Radioactive dye is injected into the body to capture images of internal structures and to look for abnormalities. The radioactive nature of the dye is the main reason why some patients feel uneasy about undergoing the procedure. However, the test is primarily safe, and there are rarely any associated complications. Why Should I ... [Read More]