Determinants of ventricular defibrillation in adults

J. A. Gascho, R. S. Crampton, M. L. Cherwek, J. N. Sipes, F. P. Hunter, W. M. O'Brien

Research output: Contribution to journalArticle

55 Citations (Scopus)

Abstract

Conventional defibrillators which stored no more than 400 J and used damped sine wave pulses defibrillated 240 of 253 (95%) episodes of ventricular fibrillation (VF) in 94 prospectively assessed resuscitations in 88 adults. Shocks of 80-240 J (under 3 J/kg) delivered to the chest wall defibrillated more often than higher energy levels. Defibrillation rate did not correlate with weight. Defibrillation was determined by the diagnosis and setting in which VF occurred. Patients with acute myocardial infarction (AMI) and primary VF or with coronary disease and no AMI defibrillated more easily than patients with AMI and secondary VF or with no coronary disease. VF in a terminal patient (agonal VF) defibrillated less often than VF in other clinical situations. Age, weight, delivered energy, duration of pulse wave, and duration of VF had little, if any, influence on rate of defibrillation. These data fail to support the use of more expensive, high-output defibrillators sold by 11 of 14 American manufacturers.

Original languageEnglish (US)
Pages (from-to)231-240
Number of pages10
JournalUnknown Journal
Volume60
Issue number2
DOIs
StatePublished - Jan 1 1979

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Ventricular Fibrillation
Defibrillators
Myocardial Infarction
Coronary Disease
Weights and Measures
Thoracic Wall
Resuscitation
Shock

All Science Journal Classification (ASJC) codes

  • Cardiology and Cardiovascular Medicine
  • Physiology (medical)

Cite this

Gascho, J. A., Crampton, R. S., Cherwek, M. L., Sipes, J. N., Hunter, F. P., & O'Brien, W. M. (1979). Determinants of ventricular defibrillation in adults. Unknown Journal, 60(2), 231-240. https://doi.org/10.1161/01.CIR.60.2.231
Gascho, J. A. ; Crampton, R. S. ; Cherwek, M. L. ; Sipes, J. N. ; Hunter, F. P. ; O'Brien, W. M. / Determinants of ventricular defibrillation in adults. In: Unknown Journal. 1979 ; Vol. 60, No. 2. pp. 231-240.
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Gascho, JA, Crampton, RS, Cherwek, ML, Sipes, JN, Hunter, FP & O'Brien, WM 1979, 'Determinants of ventricular defibrillation in adults', Unknown Journal, vol. 60, no. 2, pp. 231-240. https://doi.org/10.1161/01.CIR.60.2.231

Determinants of ventricular defibrillation in adults. / Gascho, J. A.; Crampton, R. S.; Cherwek, M. L.; Sipes, J. N.; Hunter, F. P.; O'Brien, W. M.

In: Unknown Journal, Vol. 60, No. 2, 01.01.1979, p. 231-240.

Research output: Contribution to journalArticle

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N2 - Conventional defibrillators which stored no more than 400 J and used damped sine wave pulses defibrillated 240 of 253 (95%) episodes of ventricular fibrillation (VF) in 94 prospectively assessed resuscitations in 88 adults. Shocks of 80-240 J (under 3 J/kg) delivered to the chest wall defibrillated more often than higher energy levels. Defibrillation rate did not correlate with weight. Defibrillation was determined by the diagnosis and setting in which VF occurred. Patients with acute myocardial infarction (AMI) and primary VF or with coronary disease and no AMI defibrillated more easily than patients with AMI and secondary VF or with no coronary disease. VF in a terminal patient (agonal VF) defibrillated less often than VF in other clinical situations. Age, weight, delivered energy, duration of pulse wave, and duration of VF had little, if any, influence on rate of defibrillation. These data fail to support the use of more expensive, high-output defibrillators sold by 11 of 14 American manufacturers.

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Gascho JA, Crampton RS, Cherwek ML, Sipes JN, Hunter FP, O'Brien WM. Determinants of ventricular defibrillation in adults. Unknown Journal. 1979 Jan 1;60(2):231-240. https://doi.org/10.1161/01.CIR.60.2.231