a way of examining the center to acquire details about the blood circulation into the heart muscle tissue. Special digital cameras just take a few photos associated with heart. Radioactive sestamibi is injected to the bloodstream and functions as a tracer. The tracer connects to specific cells and means they are visible to the unique digital camera. The tracer connects towards the muscle cells regarding the heart so the imaging camera takes pictures of this heart muscles. If a place of heart will not get a sufficient flow of blood, the cells when you look at the underserved area don't obtain just as much tracer also it appears as a darker location on photo taken because of the digital camera.