• G P Young.
• Orgeon Health Sciences University, Portland.
• Emerg. Med. Clin. North Am. 1989 Aug 1; 7 (3): 699720699-720.

AbstractThe patient in our case report presented with an acute abdomen but stable vital signs and ABCs. The differential diagnosis initially included most of the entities discussed in this chapter. The ECG ruled out an acute MI. The patient improved with IV hydration and oxygen administration. Abdominal x-ray films ruled out a bowel obstruction, and chest x-ray films ruled out a pulmonic process. Laboratory tests revealed hemoconcentration and leukocytosis. No other laboratory test results were abnormal. While waiting for the surgeon to arrive, the patient remains stable, so the ED physician orders a CT scan of the abdomen. Taking another look at the plain x-ray films, the emergency physician in our case presentation sees a suggestion of free air under the right hemidiaphragm above the liver on the CXR and between the liver and the right abdominal wall on the decubitus ABD x-ray. The CT scan confirms the presence of free air within the peritoneal cavity, and the patient is taken to surgery for an exploratory laparotomy. The final diagnosis is perforated peptic ulcer. With hindsight, the patient and wife recall a previous diagnosis of a possible ulcer in the past.

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