問題詳情
47 一位 45 歲女性患者冬天在密閉且設有熱水器之浴室洗澡,因意識不清疑有CO中毒而被送至急診,在吸入室內空氣時之動脈血液氣體分析結果顯示pH 7.32,PaCO2 38 mmHg,PaO2 86 mmHg,HCO3-20 mEq/L,BEECF-4 mEq/L,SaO2 98%。請問下列之處理,何者最為正確?
(A)PaO2為 86 mmHg,故氧氣治療並不需要
(B)先給予高濃度之氧氣治療,並抽血送 carboxyhemoglobin 之檢查
(C)動脈血液氣體分析結果SaO2為 98%,故carboxyhemoglobin量很少,排除CO中毒之診斷
(D)給予 sodium bicarbonate,來治療代謝性酸中毒
(A)PaO2為 86 mmHg,故氧氣治療並不需要
(B)先給予高濃度之氧氣治療,並抽血送 carboxyhemoglobin 之檢查
(C)動脈血液氣體分析結果SaO2為 98%,故carboxyhemoglobin量很少,排除CO中毒之診斷
(D)給予 sodium bicarbonate,來治療代謝性酸中毒
參考答案
答案:B
難度:適中0.666667
統計:A(0),B(2),C(0),D(1),E(0)
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