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학습 자료 둘러보기 →When a COPD patient on 2 L/min oxygen drops to 88% SpO2 with new restlessness and confusion, the immediate priority is a focused respiratory assessment. Check for airway patency (mucus plugs, secretions), verify correct cannula placement, and ensure the patient is in a high-Fowler's position to optimize ventilation.
Altered mental status is a late and critical sign of hypoxemia or hypercapnia. Do not assume the problem is simply inadequate oxygen delivery. A rapid bedside assessment can identify immediately reversible causes like a disconnected or kinked oxygen tube before escalating to pharmacological or advanced interventions.
Avoid arbitrarily increasing the oxygen flow rate to 6 L/min in COPD patients. This can suppress the hypoxic drive, leading to dangerous carbon dioxide retention and worsening respiratory acidosis. Titrate oxygen cautiously and notify the physician immediately after the initial assessment.
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