肝素或生理盐水稀释血液对二氧化碳分压（PCO2）和pH值的影响。
Effect of heparin or saline dilution of blood on PCO2 and pH.
作者信息
Karendal B
出版信息
Ups J Med Sci. 1975;80(3):175-7. doi: 10.3109/03009737509179013.
The effect of different dilutions with heparin solutions or saline on blood PCO2, pH and standard bicarbonate was investigated. Blood was first equilibrated to give about 40 or 60 mmHg PCO2. The solutions were in equilibrium with room air. The effect on blood PCO2 etc. could be fully explained by the dilution with a medium having a much lower PCO2. Thus, correction of the heparin solution to pH 7.40 and PCO2 40 mmHg eliminated the effect on PCO2, pH and standard bicarbonate. With ordinary procedure for blood heparinization (about 2% dilution) the effect is practically negligible.
研究了用肝素溶液或生理盐水不同稀释度对血液PCO₂、pH值和标准碳酸氢盐的影响。首先将血液平衡至PCO₂约为40或60 mmHg。这些溶液与室内空气处于平衡状态。对血液PCO₂等的影响可以用PCO₂低得多的介质稀释来充分解释。因此，将肝素溶液校正至pH 7.40和PCO₂ 40 mmHg可消除对PCO₂、pH值和标准碳酸氢盐的影响。采用普通的血液肝素化程序（约2%稀释）时，这种影响实际上可以忽略不计。
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