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T
@chyhsocial 在 呼吸道的評估和處理 裡說：
The tip of a properly placed ETT should lie approximately 2 cm above the carin
我查了一下，位置的說法非常多，也和病人的姿勢有關係
@王品方 因為要考慮靜脈血混合的問題 ScVO2是只測上腔靜脈(血氧比較低) SVO2則會是上腔靜脈(相對較低)+下腔靜脈(相對較高)的混合，最後的SVO2會高於SCVO2 細節可參考連結：https://litfl.com/svo2-vs-scvo2/