Respiratory Medicine MCQ for NEET PG & FMGE

← Respiratory Medicine

A 60-year-old male with 15-year history of chronic obstructive pulmonary disease (COPD) presents with worsening cough and dyspnea, marked cyanosis, and restlessness. Blood gas analysis shows pH 7.4, PaO2 40 mmHg, PaCO2 70 mmHg. Which oxygen therapy should be administered?

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