« Previous
Next »
Annals of Emergency Medicine
Volume 42, Issue 2
, Pages 230-241
, August 2003
Dynamic nature of electrocardiographic waveform predicts rescue shock outcome in porcine ventricular fibrillation
References
- Influence of cardiopulmonary resuscitation prior to defibrillation in patients with out-of-hospital ventricular fibrillation. JAMA. 1999;281:1182–1188
- . Effects of adding links to “the chain of survival” for prehospital cardiac arrest: a contrast in outcomes in 1975 and 1995 at a single institution. Ann Emerg Med. 1998;31:471–477
- Predicting survival from out-of-hospital cardiac arrest: a graphic model. Ann Emerg Med. 1993;22:1652–1658
- Prehospital experience with defibrillation of coarse ventricular fibrillation: a ten-year review. Ann Emerg Med. 1990;19:157–162
- . Electrocardiographic evaluation of defibrillation shocks delivered to out-of-hospital sudden cardiac arrest patients. Resuscitation. 1999;41:133–144
- Left ventricular myocardial adenosine triphosphate changes during reperfusion of ventricular fibrillation: the influence of flow and epinephrine. Crit Care Med. 2000;28:1503–1508
- Estimation of myocardial ischemic injury during ventricular fibrillation with total circulatory arrest using high-energy phosphates and lactate as metabolic markers. Ann Emerg Med. 1991;20:222–229
- An experimental algorithm versus standard Advanced Cardiac Life Support in a swine model of out-of-hospital cardiac arrest. Ann Emerg Med. 1993;22:235–239
- Combination pharmacotherapy with delayed countershock vs. standard advanced cardiac life support after prolonged ventricular fibrillation. Prehosp Emerg Care. 2000;4:31–37
-
Treatment of prolonged ventricular fibrillation: immediate countershock versus high-dose epinephrine and CPR preceding countershock.
Circulation. 1992;885:281–287
- Influence of time and therapy on ventricular defibrillation in dogs. Crit Care Med. 1980;8:157–163
- Physician interpretation and quantitative measures of electrocardiographic ventricular fibrillation waveform. Prehosp Emerg Care. 2001;5:147–154
- . Ventricular fibrillation: the importance of being coarse?. J Electrocardiol. 1984;17:393–400
- Integration of absolute ventricular fibrillation voltage correlates with successful defibrillation. IEEE Trans Biomed Eng. 1994;41:782–791
- Relation between ventricular fibrillation voltage and probability of defibrillation shocks: analysis using Hilbert transforms. J Electrocardiol. 1998;31:317–325
- Amplitude of ventricular fibrillation waveform and outcome after cardiac arrest. Ann Intern Med. 1985;102:53–55
- Cardiac resuscitability with cardiopulmonary bypass after increasing ventricular fibrillation ties in dogs. Ann Emerg Med. 1990;19:887–890
- Electrocardiographic prediction of the success of cardiac resuscitation. Crit Care Med. 1999;27:708–714
- Estimating the duration of ventricular fibrillation. Ann Emerg Med. 1989;18:1181–1185
- Scaling structure of electrocardiographic waveform during prolonged ventricular fibrillation in swine. Pacing Clin Electrophysiol. 2000;23:180–191
- . Ventricular fibrillation exhibits dynamical properties and self-similarity. Resuscitation. 2000;47:163–173
-
Scaling exponent predicts defibrillation success for out-of-hospital ventricular fibrillation cardiac arrest.
Circulation. 2001;103:1656–1661
- . Use of neuromuscular blocking drugs in scientific investigations involving animal subjects: the benefit of doubt goes to the animal. Anesthesiology. 1996;85:697–699
- Evaluation of biphasic transthoracic defibrillation in an animal model of prolonged ventricular fibrillation. Acad Emerg Med. 1999;6:880–886
- . Spontaneous agonal respiration in a swine model of out-of-hospital cardiac arrest. Acad Emerg Med. 1995;2:1053–1056
- Lower esophageal sphincter pressure during prolonged cardiac arrest and resuscitation. Ann Emerg Med. 1995;26:216–219
- Effects of biphasic versus monophasic defibrillation on the scaling exponent in a swine model of prolonged ventricular fibrillation. Acad Emerg Med. 2001;8:771–780
- . The mechanism and nature of ventricular fibrillation. Am Heart J. 1940;20:399–412
- Prehospital cardiac arrest treated by urban first-responders: profile of patient response and prediction of outcome by ventricular fibrillation waveform. Ann Emerg Med. 1993;22:1664–1677
- . Physiologic measurement of the ventricular fibrillation ECG signal: estimating the duration of ventricular fibrillation. Ann Emerg Med. 1993;22:70–74
- . Frequency analysis of the human and swine electrocardiogram during ventricular fibrillation. Resuscitation. 1991;22:85–91
- . Signal analysis of the human electrocardiogram during ventricular fibrillation: frequency and amplitude parameters as predictors of successful countershock. Ann Emerg Med. 1996;27:184–188
- Bispectral energies within electrocardiograms during ventricular fibrillation are correlated with defibrillation shock outcome. Ann Biomed Eng. 1999;27:171–179
- A novel wavelet transform based analysis reveals hidden structure in ventricular fibrillation. Resuscitation. 2000;43:121–127
-
Predicting outcome of defibrillation by spectral characterization and nonparametric classification of ventricular fibrillation in patients with out-of-hospital cardiac arrest.
Circulation. 2000;102:1523–1529
- High-energy defibrillation increases the severity of postresuscitation myocardial dysfunction. Circulation. 1997;96:683–688
- Predictive indices of successful cardiac resuscitation after prolonged arrest and experimental cardiopulmonary resuscitation. Ann Emerg Med. 1985;14:521–528
- . Myocardial injury from transthoracic defibrillator countershock. Arch Pathol. 1975;99:55–59
- . Extensive pectoral muscle necrosis after defibrillation: nonthermal skeletal muscle damage caused by electroporation. Intensive Care Med. 1998;24:743–745
- Effect of direct-current countershocks on regional myocardial contractility and perfusion. Experimental studies. Circulation. 1981;63:323–332
- The induction of myocardial damage by open-chest low-energy countershock. Med Instrum. 1980;14:63–66
- Cardiac damage produced by transchest damped sine wave shocks. Med Instrum. 1978;12:27–30
-
Comparison of myocardial damage from defibrillator discharges at various dosages.
Med Instrum. 1980;142:9–12
- . Myocardial damage following transthoracic direct current countershock in newborn piglets. Pediatr Cardiol. 1982;2:281–288
- . Morphologic effects of defibrillation. A preliminary report. Crit Care Med. 1984;12:920–921
- Effect of ventricular shock strength on cardiac hemodynamics. J Cardiovasc Electrophysiol. 1998;9:791–797
- Ventricular arrhythmias after precordial electric shock. Am J Cardiol. 1986;57:120–123
- Eloctrocardiographic changes after cardiovesion of ventricular arhythmias. Circulation. 1986;73:73–81
-
Survival and postshock ECG rhythms for out-of-hospital defibrillation [abstract].
Pacing Clin Electrophysiol. 1999;22(4-II):740
- The probability of defibrillation success and the incidence of postshock arrhythmia as function of shock strength. Pacing Clin Electrophysiol. 1994;17:1208–1217
- . Effects of repetitive electrical shocks on postresuscitation myocardial function. Crit Care Med. 2000;28(suppl):N228–N232
- Conduction disturbances caused by high current density electric fields. Circ Res. 1990;66:1190–1203
- . External defibrillation: the need for uniformity in analyzing and reporting results. Ann Emerg Med. 1998;32:234–236
- Estimation of myocardial ischemic injury during ventricular fibrillation with total circulatory arrest using high-energy phosphates and lactate as metabolic markers. Ann Emerg Med. 1991;20:222–229
- . Outcome from out-of-hospital cardiac arrest caused by nonventricular arrythmias: contribution of successful resuscitation to overall survivorship supports the current practice of initiating out-of-hospital ACLS. Ann Emerg Med. 1998;32:448–453
☆ Supported by the Pittsburgh Emergency Medicine Foundation, Pittsburgh, PA, and the EMF/Genentech Center of Excellence Award from the Emergency Medicine Foundation, Dallas, TX.
☆☆ Reprints not available from the authors.
* Author contributions: All authors conceived and designed the trial. CWC and JJM obtained research funding. CBL, KCF, and JJM conducted the trial and data collection. CBL, MH, LDS, CWC, and JJM analyzed the data. MH provided statistical advice. CBL and CWC drafted the manuscript. All authors contributed to revision. CBL takes responsibility for the paper as a whole.
PII: S0196-0644(03)00391-3
doi: 10.1067/mem.2003.264
© 2003 American College of Emergency Physicians. Published by Elsevier Inc. All rights reserved.
« Previous
Next »
Annals of Emergency Medicine
Volume 42, Issue 2
, Pages 230-241
, August 2003
