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生理適應 · MEDIUM · MCQ

一位慢性阻塞性肺病 (COPD) 病人因嚴重呼吸困難入院。護理師評估其呼吸狀態。哪項發現提示需要立即的呼吸支持?

A client with a history of chronic obstructive pulmonary disease (COPD) is admitted with severe dyspnea. The nurse assesses the client's respiratory status. Which finding indicates the need for immediate respiratory support?

  • AClient can speak in short sentences
    病人能說短句
  • BRespiratory rate 26 breaths/min
    呼吸頻率 26 次/分
  • CClient is using accessory muscles and has paradoxical breathing✓ 正解
    病人使用輔助呼吸肌且出現矛盾呼吸
  • DSpO2 92% on 2L nasal cannula
    經 2L 鼻導管給氧下 SpO2 為 92%
Explanation · 中文詳解

在 NCLEX 考試中,處理呼吸衰竭病人需遵循 ABC(呼吸道、呼吸、循環)優先原則。COPD 病人出現輔助呼吸肌使用(accessory muscle use)與矛盾呼吸(paradoxical breathing),明確顯示橫膈膜已疲勞,無法維持足夠的換氣量,即將面臨呼吸衰竭(respiratory failure)。這是緊急的臨床指標,必須立即介入以提供呼吸支持,如非侵襲性正壓通氣(NIPPV)或氣管內插管,防止病情惡化為心跳停止。

Accessory muscle use and paradoxical breathing indicate severe respiratory muscle fatigue and impending respiratory failure, requiring immediate intervention such as non-invasive ventilation or intubation to prevent cardiac arrest.

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