Toxic megacolon: Difference between revisions

Line 29: Line 29:
*X-ray showing colon > 6 cm diameter
*X-ray showing colon > 6 cm diameter
**Can also see loss of haustra, "thumb-printing" (bowel edema)
**Can also see loss of haustra, "thumb-printing" (bowel edema)
*Labs:
**leukocytosis
**electrolyte disturbances
**anemia
**hypoalbuminemia


==Management==
==Management==

Revision as of 00:10, 15 September 2015

Background

  • Inflammation of intestinal smooth muscle causes colon dilation
  • Untreated, can lead to perforation
  • Usually associated with infectious colitis or Crohn's disease or Ulcerative Colitis
  • Triggers:
    • Anti-motility agents
    • Anticholinergics
    • Narcotics

Clinical Features

  • Abdominal Pain
  • Fever
  • Tachycardia
  • Diarrhea
  • Distended abdomen
  • Hypokalemia
  • Hypomagnesemia
  • Perforation
    • Peritonitis
    • Septicemia

Differential Diagnosis

Diagnosis

  • X-ray showing colon > 6 cm diameter
    • Can also see loss of haustra, "thumb-printing" (bowel edema)
  • Labs:
    • leukocytosis
    • electrolyte disturbances
    • anemia
    • hypoalbuminemia

Management

Disposition

See Also

External Links

References