Normal Extracardiac Tracer Uptake: Physiology, Interpretation, and Nuclear Medicine
1. Introduction Normal extracardiac tracer uptake refers to the expected physiological accumulation of a radiopharmaceutical outside the heart during nuclear medicine imaging, particularly during a myocardial perfusion scan. When a patient undergoes a stress test utilizing radioactive tracers, the primary objective is to evaluate blood flow and cellular function within the heart muscle. However, because … Read more