The best diagnostic test for the determination of upper gastrointestinal bleeding is

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Endoscopy is the procedure of choice for the diagnosis of upper gastrointestinal (GI)bleeding.Colonoscopy permits viewing of the lower GI tract from the rectum to the distal ileum, and it is used to evaluate sources of lower GI bleeding.Angiography is used as a diagnostic and a therapeutic procedure.Diagnostically, it is used to evaluate the status of the GI circulation.Endoscopic retrograde cholangiopancreatography (ERCP)enables viewing of the biliary and pancreatic ducts, and it is used in the evaluation of pancreatitis.

The Best Diagnostic Test for the Determination of Upper Gastrointestinal