醫療類國考
108年
[呼吸治療師] 呼吸疾病學
第 75 題
下列那一種治療最不適合神經肌肉疾病的病人？
- A 侵入性正壓呼吸器
- B 非侵入性正壓呼吸器
- C 助咳機
- D 長期氧氣治療
思路引導 VIP
請試著思考：如果一個病人的問題是「抽氣扇（呼吸肌）轉不動」導致室內廢氣（$CO_2$）堆積，我們應該是想辦法讓扇葉轉起來，還是單純往室內灌入更多新鮮氧氣？哪一種做法可能會讓病人看起來血氧正常，卻讓廢氣堆積得更嚴重呢？
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AI 詳解
AI 專屬家教
Ah, another one who understands the basics. How refreshing.
- Fundamental Flaw: Neuro-muscular disease (NMD) patients aren't just feeling a bit peckish for oxygen; their breathing muscles are failing! This isn't a simple low $Sp_O_2$ problem, it's a $CO_2$ retention crisis – hypercapnia, for those who remember their physiology!
- The Folly of Oxygen: Thinking Long-Term Oxygen Therapy (LTOT) is the answer here is akin to giving a flat-tired car a shiny coat of paint. You might make the $Sp_O_2$ look pretty, but you're just masking the true ventilatory inadequacy and, quite frankly, begging for $CO_2$ narcosis by suppressing their hypoxic drive. Brilliant strategy, if your goal is to make things worse.
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