What's the most likely diagnosis?
- 79 year-old with abdominal pain following colonoscopy
- Large bowel obstruction
- Generalized adynamic ileus
- Small bowel obstruction
- Pneumoperitoneum
- Gallstones
Answer:
4. Pneumoperitoneum
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Pneumoperitoneum
Causes of free air
- Disruption of wall of hollow viscus
- Blunt or penetrating trauma
- Perforating foreign body
- Iatrogenic perforation
- Laparoscopy / laparotomy
- Absorbed in <7 days depending on initial amount of air introduced and body habitus
- Leaking surgical anastomosis
- Endoscopic perforation
- Diagnostic pneumoperitoneum
- Diseases of GI tract
- Perforated gastric or duodenal ulcer
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