Severe Abdominal Pain, Rectal Bleeding in a 51-year-old Man

VIDEO: Patient reports worsening pain/bleeding x 4 days; history of diverticulitis. Watch abdominal exam, interview. Your impressions?

Patient presents with 4 days increasing severe lower abdominal pain, rectal bleeding (“bright red w/ dark black clots.”) Denies fever, N/V. Appears in distress. PMH: Dx diverticulosis, 4y ago; angina, PTSD. Meds: gabapentin. Watch the ED examination.


What is your diagnosis?