Scenario : Postoperative Fever

A 65-year-old male develops fever on the third postoperative day following a laparoscopic cholecystectomy. He has no respiratory or urinary symptoms. Examination reveals surgical wounds without signs of infection.

What is the most likely cause of fever?
A) Atelectasis
B) Wound infection
C) Deep vein thrombosis
D) Drug fever

Answer: A) Atelectasis

Explanation: Postoperative fever is common and can be due to various causes. Atelectasis, which results from incomplete expansion of the lungs after surgery, is a common cause of fever on the second to fourth postoperative days.