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Postoperative atelectasis — USMLE Step 3 MCQ

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EasySurgery (post-operative, follow-up)Postoperative atelectasisUSMLE Step 3

A 63-year-old man is evaluated 18 hours after open sigmoid colectomy. Temperature is 38.1 C and oxygen saturation is 93% on room air. He has shallow breathing from incisional pain and bibasilar crackles. Which of the following is the most appropriate next step in management?

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Correct answer: A — Incentive spirometry, ambulation, and improved analgesia

Early postoperative low-grade fever with shallow breathing and bibasilar findings is managed with pulmonary hygiene and mobilization.

Reference: ACS perioperative care principles