The nuclear medicine bleeding scan is an advanced imaging technique used to detect active internal bleeding, particularly in the gastrointestinal tract. This test helps doctors locate the exact source of bleeding by tracking a small amount of radioactive material injected into the bloodstream. How It Works A small amount of radioactive tracer is injected into a vein. A specialize... https://www.cityxrayclinic.com/facilities/nuclear-lower-upper-gi-bleed-scan