what is nuclear stress
A nuclear stress test is a test that shows your doctor how well the blood flows to your heart during physical exertion. A nuclear stress test is a test that shows your doctor how well the blood flows to your heart during physical exertion. During a nuclear stress test, you'll be injected with a radioactive dye, and a scanner will take pictures of your heart. Then you'll be asked to walk or run on a treadmill or pedal on a stationary bicycle while some tests are being done on your heart.