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학습 자료 둘러보기 →In COPD exacerbation, paradoxical abdominal breathing (abdomen moves inward on inspiration) indicates severe diaphragmatic fatigue and is a precursor to respiratory arrest. This finding demands immediate escalation to the provider and preparation for ventilatory support.
Differentiate from expected exacerbation signs: purulent sputum signals infection, expiratory wheezes indicate bronchoconstriction, and an SpO2 of 88% on 2L oxygen may be the target range for severe COPD patients with chronic retention.
Do not confuse accessory muscle use alone with paradoxical breathing. The combination of accessory muscle use and a see-saw chest/abdominal motion is a critical, late-stage finding that precedes apnea.
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