1 MCQs in Medicine for NEET PG
A 58-year-old man with a history of prolonged mechanical ventilation 6 months ago presents with progressive dyspnea and biphasic stridor. Spirometry with flow-volume loop is performed. The pattern marked **C** in the diagram shows a characteristic box-shaped loop with flat plateaus in both inspiratory and expiratory phases. Which of the following is the most likely diagnosis?
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