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학습 자료 둘러보기 →The ABC framework dictates that correcting life-threatening hypoxemia (PaO2 55 mmHg, SpO2 88%) is the priority. Apply supplemental oxygen immediately to prevent cardiac arrhythmia and neurological deterioration.
In COPD patients with chronic CO2 retention, titrate O2 to a target SpO2 of 88-92%. Start with a nasal cannula at 2-3 L/min and adjust based on ABG and clinical response to avoid suppressing the hypoxic drive.
Altered mental status (confusion) in a COPD patient is a late and critical sign of severe hypoxemia. Do not delay oxygen administration to perform diagnostics like sputum culture or to administer slower-acting bronchodilators.
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