At what rate can the bleeding be visualized by adiolabeled RBC scan? At what rate can the bleeding be visualized by angiography? How is acute bleeding confirmed? How is an RBC nuclear medicine scan performed? In a patient with gastrointestinal bleeding, when is angiography indicated? List nine major causes of lower gastrointestinal bleeding. List seven major causes of upper gastrointestinal bleeding. What angiographic finding is diagnostic of gastrointestinal hemorrhage? What are the advantages of angiography? What embolic material is used most commonly in the setting of gastrointestinal hemorrhage, and why? What imaging modalities are used to localize gastrointestinal bleeding? What is the landmark that separates upper bleeds from lower bleeds? What needs to be performed after achieving hemostasis, and why? What therapeutic options does angiography offer? When is an RBC scan helpful? Which source of bleeding will not be visualized by angiography? Book traversal links for GI bleed ‹ Why is angiography not used to study the diameter of an AAA? Up At what rate can the bleeding be visualized by adiolabeled RBC scan? ›