A myocardial perfusion imaging examine, usually using a radioactive tracer referred to as Cardiolite (technetium-99m sestamibi), is a non-invasive diagnostic process used to guage blood move to the center muscle. This take a look at usually entails two phases: one at relaxation and one other throughout bodily exertion or pharmacological stimulation to extend coronary heart price. Photos are captured utilizing a gamma digicam to determine areas of the center that is probably not receiving satisfactory blood provide, particularly throughout stress.
The first profit lies in its skill to detect coronary artery illness, a situation characterised by the narrowing or blockage of arteries supplying blood to the center. Early identification of those blockages can result in well timed interventions, reminiscent of life-style modifications, medicine, or extra invasive procedures like angioplasty or bypass surgical procedure, doubtlessly stopping coronary heart assaults and bettering affected person outcomes. The event and refinement of myocardial perfusion imaging methods, together with using Cardiolite, have considerably enhanced the accuracy and reliability of diagnosing cardiac ischemia.