Acid-Base Abnormalities in Cardiopulmonary Arrest: Varying Patterns in Different Locations in the Hospital

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Abstract
To the Editor: In an article in the Journal in 1986, Weil et al. described 16 patients who had cardiopulmonary arrest in the intensive care unit, 15 of whom had an endotracheal tube in place, were receiving mechanical ventilation before the arrest, and had initial arterial blood gas measurements revealing alkalemia due to respiratory alkalosis.1 Since previous studies have shown that most patients who have cardiopulmonary arrest are acidemic,2 it is conjectural whether the observations of Weil et al. can be applied to patients who had not received mechanical ventilation before the arrest.To test this hypothesis, we reviewed arterial . . .

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