注意间隙。
Mind the gap.
作者信息
Akhtar Jawaid, Johnston Bradford D, Krenzelok Edward P
机构信息
Pittsburgh Poison Center, Children's Hospital of Pittsburgh, Pittsburgh, Pennsylvania, USA.
出版信息
J Emerg Med. 2007 Aug;33(2):131-2. doi: 10.1016/j.jemermed.2006.11.016. Epub 2007 Jun 5.
The "oxygen saturation gap" is the difference between the calculated oxygen saturation from a standard blood gas machine and the reading from a pulse oximeter. If it is greater than 5%, the patient's hemoglobin may be abnormal, representing carbon monoxide poisoning, methemoglobinemia, or sulfhemoglobinemia. We report a case where awareness of the saturation gap led to the diagnosis of carbon monoxide poisoning.
“氧饱和度差值”是指标准血气分析仪计算得出的氧饱和度与脉搏血氧仪读数之间的差值。如果该差值大于5%，患者的血红蛋白可能异常，提示一氧化碳中毒、高铁血红蛋白血症或硫化血红蛋白血症。我们报告了一例因意识到饱和度差值而诊断为一氧化碳中毒的病例。
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