In a Cardiolite stress test, the patient has nuclear dye injected into his veins and is asked to exert himself with exercise, according to About.com. The dye eventually makes it into the heart through the circulatory system, and it is seen on nuclear scans showing the health of the heart.Continue Reading
The areas of the heart that are healthy and receive the blood with Cardiolite show up brighter on a scan than areas that are unhealthy, states About.com. Diseased areas are not as noticeable on the scan. This helps doctors see where blockages are occurring, and they can make a determination if the patient is suffering from coronary artery disease. At this point, a treatment plan can be made to treat the arteries.
Using a nuclear substance such as Cardiolite provides better accuracy on a stress test than without it, explains About.com. A nuclear stress test using Cardiolite is very safe; however, a small amount of radiation is used during the test. This puts the patient at a very small risk of radiation-related side effects. It is important to keep in mind, however, that the benefits of this test greatly outweigh the small risk of radiation side effects to which patients are subjected.Learn more about Cardiac Health