Ventilation-Perfusion Matching MCQ — NEET PG Practice Question | NEETPGAI
Ventilation-Perfusion Matching
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heart-pulse Physiology
A 58-year-old man with COPD presents to the emergency department with acute dyspnea. Arterial blood gas shows pH 7.32, PaCO₂ 58 mmHg, PaO₂ 55 mmHg on room air. Chest X-ray reveals hyperinflation but no focal consolidation. His A-a gradient is calculated at 35 mmHg. Which is the most appropriate immediate next step in management?
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