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CPR过程进行人工通气的目的在于维持血液充分氧合和清除二氧化碳。达到上述目的的最佳潮气量、呼吸频率和吸入氧浓度目前仍未确定。CPR过程肺和全身的灌注减少,相对少的通气就可达到正常的通气/灌注比例,因此《指南2005》推荐比《指南2000》更低的人工通气频率。在心搏骤停前和
The purpose of artificial ventilation during CPR is to maintain adequate blood oxygenation and carbon dioxide removal. The optimal tidal volume, respiratory rate, and inspired oxygen concentration for this purpose have not been established. Guideline 2005 recommends a lower artificial ventilation rate than Guideline 2000 due to reduced lung and systemic perfusion and a relatively low aeration rate to achieve normal aeration / perfusion rates during CPR. Before and during cardiac arrest