Adjusting to Evolving Symptoms: Multiple Sites of GI Bleeding From the Same, Uncommon Cause

Gastrointestinal bleeding is a common indication for admission to the hospital and typically is classified by either an upper or lower tract source by clinical and laboratory findings. However, depending on the etiology of the bleeding, presenting symptoms can vary and evolve, making diagnostic evaluations difficult. We present the case of an elderly male who had manifestations of both acute upper and lower GI hemorrhage eventually found to have...