Rhythm analysis and charging during chest compressions reduces compression pause time

Resuscitation
R PartridgeRichard P Raymond

Abstract

Prolonged chest compression interruptions immediately preceding and following a defibrillation shock reduce shock success and survival after cardiac arrest. We tested the hypothesis that compression pauses would be shorter using an AED equipped with a new Analysis during Compressions with Fast Reconfirmation (ADC-FR) technology, which features automated rhythm analysis and charging during compressions with brief reconfirmation analysis during compression pause, compared with standard AED mode. BLS-certified emergency medical technicians (EMTs) worked in pairs and performed two trials of simulated cardiac resuscitation with a chest compression sensing X Series defibrillator (ZOLL Medical). Each pair was randomized to perform a trial of eight 2-min compression intervals (randomly assigned to receive four shockable and four non-shockable rhythms) with the defibrillator in standard AED mode and another trial in ADC-FR mode. Subjects were advised to follow defibrillator prompts, defibrillate if "shock advised," and switch compressors every two intervals. Compression quality data were reviewed using RescueNet Code Review (ZOLL Medical) and analyzed using paired t-tests. Thirty-two EMT-basic prehospital providers (59% male; median 25 ...Continue Reading

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Citations

Apr 1, 2016·Current Opinion in Critical Care·Roberta AffatatoGiuseppe Ristagno
Jun 20, 2016·Annals of Emergency Medicine·Jacob C JentzerAllan S Jaffe
Oct 21, 2016·Resuscitation·Charles D Deakin, Richard E Kerber
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