 - Then it will be a diagnosis or therapeutic endoscopy as early as possible at least partial correction of anticoagulation, INR 1.6. All patients will be practised VGC also in patients with suspected lower gastrointestinal bleeding, to rule out completely high origin. In patients with lower gastrointestinal bleeding normal VGC, after conducting VGC will be VCC. In cases where the source of bleeding is not clarified with gastroscopy and colonoscopy, capsule endoscopy was carried out, and according to its results shall be practised an enteroscopy forwardbackward or both. Furthermore it will practised an endoscopy, only if the clinical situation of each case requires. In both groups, all suspected rebleeding be evaluated by endoscopy. 