Which Imaging Study Is Commonly Used to Identify the Source of Gastrointestinal Bleeding

Mr. Santos, a 55-year-old Male, Presents to the Emergency Department with Complaints of Melena (Black, Tarry Stools) and Dizziness. He Has a History of Peptic Ulcer Disease. the Physician Suspects Gastrointestinal Bleeding and Orders Diagnostic Tests to Confirm the Diagnosis