Arterial to end-tidal carbon dioxide gap and its characterization in mechanically ventilated adults in the emergency department

Cameron P. Upchurch,Brian T. Wessman,Brian W. Roberts,Brian M. Fuller

The American journal of emergency medicine（2023）

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摘要

•An elevated PaCO2 to PetCO2 gap is a surrogate for physiologic dead space.•An elevated PaCO2 to PetCO2 gap is common among intubated adults in the ED.•Elevated gap was associated with age, illness severity, and intubation for COPD and sepsis.•There was no difference in mortality stratified by PaCO2 to PetCO2 gap.

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关键词

Dead space,End-tidal carbon dioxide,Mechanical ventilation,Emergency department,Acute respiratory failure

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