Efficacy of distinct energy delivery protocols comparing two biphasic defibrillators for cardiac arrest

SJ Walsh, AJJ McClelland, CG Owens, J Allen, JMCC Anderson, C Turner, AAJ Adgey

Research output: Contribution to journalArticle

33 Citations (Scopus)

Abstract

Limited data have been published on the use of external defibrillators that deliver impedance compensated biphasic (ICB) waveforms in patients. We compared 2 ICB defibrillators, the Heartstream XL (150-150-150 J protocol) and Heartsine Samaritan (100-150-200 J protocol) in 78 consecutive patients in cardiac arrest. The performance of the 2 devices over the first 2 shocks was statistically equivalent. By the third shock, the Heartsine Samaritan had significantly better performance in removing ventricular fibrillation (p = 0.029). Energy selection for ICB waveforms requires further validation.
Original languageEnglish
Pages (from-to)378-380
JournalThe American Journal of Cardiology
Volume94
Issue number3
DOIs
Publication statusPublished - 2004

Keywords

  • Aged
  • 80 and over
  • Cardiopulmonary Resuscitation: methods
  • Cohort Studies
  • Electric Countershock: instrumentation
  • Electric Impedance
  • Equipment Design
  • Equipment Safety
  • Female
  • Heart Arrest: mortality
  • Heart Arrest: therapy
  • Humans
  • Male
  • Middle Aged
  • Pilot Projects
  • Probability
  • Survival Analysis
  • Treatment Outcome
  • Ventricular Fibrillation: mortality
  • Ventricular Fibrillation: therapy

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