Delayed Time to Defibrillation after In-Hospital Cardiac Arrest

  • Chan P
  • Krumholz H
  • Nichol G
 et al. 
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Abstract

Background Expert guidelines advocate defibrillation within 2 minutes after an in-hospital cardiac arrest caused by ventricular arrhythmia. However, empirical data on the prevalence of delayed defibrillation in the United States and its effect on survival are limited. Methods We identified 6789 patients who had cardiac arrest due to ventricular fibrillation or pulseless ventricular tachycardia at 369 hospitals participating in the National Registry of Cardiopulmonary Resuscitation. Using multivariable logistic regression, we identified characteristics associated with delayed defibrillation. We then examined the association between delayed defibrillation (more than 2 minutes) and survival to discharge after adjusting for differences in patient and hospital characteristics. Results The overall median time to defibrillation was 1 minute (interquartile range,

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Authors

  • Paul S. Chan

  • Harlan M. Krumholz

  • Graham Nichol

  • Brahmajee K. Nallamothu

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