Last updated on: June 17th, 2021

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You’re looking at an interactive case study from Prognosis: Your Diagnosis (one of four distinct learning formats available in Clinical Odyssey). Try it out, and have fun improving your clinical skills.

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A 30-year-old man presents soon after passing black, tarry, foul-smelling stools. This is his first such episode. He has also had mild epigastric pain for one month, which was worse after meals. His bowel habits are unchanged from earlier. There is no history of recent trauma. His medical, surgical, and family histories are unremarkable; in particular, there is no history of coagulopathies. He does not smoke. He has consumed four to five units of alcohol each week for over a decade now.

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