Ischemic Colitis

Etiology

  • For occlusive dz: known atherosclerosis or vascular risk factors, hypotension from other process superimposed on atherosclerosis, embolic events → a fib, ventricular thrombus
  • Etiology for non-occlusive dz: hypotension or low flow state from any cause

Symptoms

  • Diarrhea
  • Acute generalized or low abdominal pain
  • Often crampy w/fecal urgency
  • Small-moderate amounts of bright red blood w/stool