Toxic megacolon: Difference between revisions

Line 3: Line 3:
*Untreated, can lead to perforation
*Untreated, can lead to perforation
*Usually associated with infectious colitis or [[Crohn's disease]] or [[Ulcerative Colitis]]
*Usually associated with infectious colitis or [[Crohn's disease]] or [[Ulcerative Colitis]]
*Triggers:
**Anti-motility agents
**Anticholinergics


==Clinical Features==
==Clinical Features==

Revision as of 00:05, 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

Clinical Features

  • Abdominal Pain
  • Fever
  • Tachycardia
  • Distended abdomen
  • Hypokalemia
  • Hypomagnesemia

Differential Diagnosis

  • SBO
  • LBO
  • Constipation
  • C. difficile colitis

Diagnosis

  • X-ray showing colon > 6 cm diameter

Management

Disposition

See Also

External Links

References