Professor’s Pearls: Abdominal Pain
VS: T = 100.2, HR = 90, BP = 110/68.
Labs: H/H = 12.0/36.3, WBC = 11,300, U/A: 5 RBCs, 10–15 WBCs
What would be your differential dx and plan for further evaluation?
VS: T = 100.9, HR = 102, BP = 140/70
Physical examination: RUQ tenderness with guarding
Based on the information presented, what is the most likely dx and what would you recommend?
The patient is actually well known to you because you performed a colonoscopy on him 3 days ago. He had been referred to you because of a hemoglobin of 8.0 and Hemoccult-positive stools. Your colonoscopy documented a 4-cm adenocarcinoma of the cecum. You have already scheduled an elective right colectomy for next week (to be preceded, of course, by an appropriate bowel prep). The patient’s past medical hx is significant for use of NSAIDs for osteoarthritis over the past 3 years. The patient also has a hx of a single episode of acute diverticulitis 3 years ago that was treated as an inpatient with IV antibiotics.
VS: T = 99.3, HR = 110, BP = 110/70, RR = 22
Physical examination: Abdomen has diffuse rebound tenderness. The tenderness is greatest in the RLQ.
Labs: H/H = 8.3/25.2, WBCs = 18,400
Imaging: A CXR performed in the ED shows “free air under the diaphragm.”
VS: T = 99.2, HR = 90, BP = 110/68
Labs: H/H = 12.1/36, WBC = 11,800, U/A: many RBCs and 0–5 WBCs
What are the diagnostic possibilities? How would you work this up further?
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