Gas Transport — O2 and CO2 MCQ — NEET PG Practice Question | NEETPGAI
Gas Transport — O2 and CO2
medium
heart-pulse Physiology
A 62-year-old man with COPD presents to the emergency department with acute dyspnea, cyanosis, and altered mental status. Arterial blood gas shows: pH 7.25, PaCO₂ 85 mmHg, PaO₂ 45 mmHg, HCO₃⁻ 32 mEq/L, SaO₂ 68%. He is on home oxygen 2 L/min. What is the most appropriate immediate next step in management?
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