Jan 28, 2011

Ventricular tachyarrhythmias after cardiac arrest in public versus at home

The New England Journal of Medicine
Myron L WeisfeldtResuscitation Outcomes Consortium Investigators

Abstract

The incidence of ventricular fibrillation or pulseless ventricular tachycardia as the first recorded rhythm after out-of-hospital cardiac arrest has unexpectedly declined. The success of bystander-deployed automated external defibrillators (AEDs) in public settings suggests that this may be the more common initial rhythm when out-of-hospital cardiac arrest occurs in public. We conducted a study to determine whether the location of the arrest, the type of arrhythmia, and the probability of survival are associated. Between 2005 and 2007, we conducted a prospective cohort study of out-of-hospital cardiac arrest in adults in 10 North American communities. We assessed the frequencies of ventricular fibrillation or pulseless ventricular tachycardia and of survival to hospital discharge for arrests at home as compared with arrests in public. Of 12,930 evaluated out-of-hospital cardiac arrests, 2042 occurred in public and 9564 at home. For cardiac arrests at home, the incidence of ventricular fibrillation or pulseless ventricular tachycardia was 25% when the arrest was witnessed by emergency-medical-services (EMS) personnel, 35% when it was witnessed by a bystander, and 36% when a bystander applied an AED. For cardiac arrests in public...Continue Reading

  • References23
  • Citations96

References

Mentioned in this Paper

Ophthalmoplegia
Ventricular Fibrillation
Hospitalization
Logistic Regression
Emergency Treatment
Basic Cardiac Life Support
Tachycardia, Ventricular
Heart Ventricle
Comorbidity
Takayasu Arteritis

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