Esophagogastroduodenoscopy (EGD) and colonoscopy are the primary diagnostic modalities, but initial examinations may sometimes fail to identify the bleeding source. In such cases, repeated endoscopic ...

Their results are similar and show that capsule endoscopy has good performance characteristics, although it is somewhat inferior to esophagogastroduodenoscopy. Esophagogastroduodenoscopy is the ...