VBG是組織代謝;ABG是氣體交換。所以VBG不能對病人是否呈現缺氧去判斷。假如只是純粹要看酸鹼值或ventilation 可以選擇VBG再去做換算。但是從central or Peripheral抽出VBG又有差異⋯⋯因為缺血(ischemia)會讓靜脈血吸收更多二氧化碳及組織釋出的有機酸,使得判讀酸鹼平衡時,會有誤差。
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Dolly
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RE: How to read VBG?