Gastrointestinal bleeding

Abstract

Gastrointestinal (GI) bleeding is a life-threatening presentation that the physician must recognize and manage appropriately. Nuclear medicine provides methods that can help elucidate the diagnosis and localization of gastrointestinal bleeding.in children. These include the diagnosis of Meckel's diverticulum with dynamic 99mTc-O4- abdominal scintigraphy and the diagnosis of active bleeding with 99mTc labeled red blood cells scintigraphy.