A 73-year-old man with diffuse atherosclerosis and hypertension controlled with lisinopril develops sudden crampy left-sided abdominal pain and hematochezia hours after severe hypotension (BP 70/40) during sepsis. Vital signs now show BP 105/65, HR 102, RR 18, temp 38.2°C. Colonoscopy reveals pale mucosa with petechial bleeding at the splenic flexure. CT imaging demonstrates segmental colonic wall thickening without pneumatosis. No prior inflammatory bowel disease history exists. Which diagnosis is most likely?
- A)Diverticulitis
- B)Angiodysplasia
- C)Ischemic colitisGABARITO
- D)Ulcerative colitis
- E)Crohn disease
Explicação
Ischemic colitis commonly affects watershed regions such as the splenic flexure after hypotension in patients with vascular disease. Ver explicação completa e trilha adaptativa →