Rare, Life-Threatening Duodenal Bleeding

Question: A 61-year-old male born in Ethiopia with a past medical history of hepatitis B carrier, tuberculosis, arterial hypertension, and aortic valve replacement (on coumadin treatment since 2009), presented with epigastric pain radiating to the right upper quadrant. The pain worsened after meals and was accompanied with a weight loss of 5 kg in the last month. He had recently discharged from the Neurosurgery Department with dexamethasone...