A medical imaging test is used to evaluate the functioning of the heart. The test is called a nuclear heart scan or heart scan. At its core, اسکن هسته ای قلب it is based on the principles of radiation detection and imaging and involves the detection of radiation emitted by certain chemicals.
The test works by injecting a small amount of low-level radioactive chemical into the bloodstream. This chemical is taken up by the heart muscle immediately after it is injected, but not taken up as quickly by areas of the heart that are not receiving adequate blood flow. The chemical usually used is a radioactive isotope that produces gamma rays.