Order in disorder: Effect of barium on ventricular fibrillation

Canadian Journal of Cardiology

Volumn 12, Issue 4, 1996, Pages 399-406

  Dorian, Paul ^a   Penkoske, Patricia A ^b   Witkowski, Francis X ^b  

^a ST MICHAEL'S HOSPITAL   (Canada)

^b NONE

Author keywords

Barium; Defibrillation; Ventricular fibrillation

Indexed keywords

ANTIARRHYTHMIC AGENT; BARIUM CHLORIDE;

ANIMAL EXPERIMENT; ANIMAL MODEL; ARTICLE; CONTROLLED STUDY; DEFIBRILLATION; DOG; DRUG EFFICACY; ELECTRIC POTENTIAL; ELECTROCARDIOGRAPHY; ELECTRODE; ENERGY; HEART LEFT VENTRICLE DP-DT; HEART MUSCLE CONDUCTION SYSTEM; HEART MUSCLE REFRACTORY PERIOD; HEART VENTRICLE FIBRILLATION; INTRAVENOUS DRUG ADMINISTRATION; NONHUMAN;

ANIMALS; BARIUM SULFATE; DISEASE MODELS, ANIMAL; DOGS; DOSE-RESPONSE RELATIONSHIP, DRUG; DRUG EVALUATION, PRECLINICAL; ELECTRIC COUNTERSHOCK; ELECTROCARDIOGRAPHY; VENTRICULAR FIBRILLATION;

EID: 0029962265     PISSN: 0828282X     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (21)

1. Dorian P, Wang M, David I, Feindel C. Oral clofilium produces sustained lowering of defibrillation energy requirements in a canine model. Circulation 1991;83:614-21.
2. Echt DS, Black JN, Barbey JT, Coxe DR, Cato E. Evaluation of antiarrhythmic drugs on defibrillation energy requirements in dogs. Circulation 1989;79:1106-17.
3. Troup PJ. Implantable cardioverters and defibrillators. Curr Probl Cardiol 1989;14:679-842.
4. Witkowski FX, Kerber RE. Currently known mechanisms underlying direct current external and internal cardiac defibrillation. J Cardiovasc Electrophysiol 1991;2:562-72.
5. Wang M, Dorian P. DL and D sotalol decrease defibrillation energy requirements. PACE 1989;12:1522-9.
6. Dorian P, Witkowski FX, Penkoske PA, Feder-Elituv RS. Barium decreases defibrillation energy requirements. J Cardiovasc Pharmacol 1994;23:107-12.
7. Witkowski FX, Penkoske PA, Plonsey R. Mechanism of cardiac defibrillation in open-chest dogs with unipolar DC-coupled simultaneous activation and shock potential recordings. Circulation 1990;82:244-60.
8. Akiyama T. Intracellular recording of in situ ventricular cells during ventricular fibrillation. Am J Physiol 1981;240 (Heart Circ Physiol 9): H465-71.
9. K1 blockade. J Am Coll Cardiol 1988;11:59A.
10. Wharton JM, Wolf PD, Smith WM, et al. Cardiac potential and potential gradient fields generated by single, combined, and sequential shocks during ventricular defibrillation. Circulation 1992;85:1510-23.
11. Chen FS, Shibata N, Dixon EG, et al. Activation during ventricular defibrillation in open-chest dogs: Evidence of complete cessation and regeneration of ventricular fibrillation after unsuccessful shocks. J Clin Invest 1986;77:810-23.
12. Winkle RA, Stinson EB, Bach SN, Echt D, Over P, Armstrong K. Measurement of cardioversion/defibrillatian thresholds in man by a truncated exponential waveform and an apical patch: Superior vena caval spring electrode configuration. Circulation 1984;69:766-71.
13. Hsia PWE, Hellman KW, Mahmud R. Ventricular fibrillation waveform characteristics associated with successful defibtillation using fixed low energy DC shock. J Am Coll Cardiol 1989;13:216A.
14. Hsia PWE, Hellman KW, Mahmud R. Genesis of sigmoidal dose-response curve during defibrillation by random shock: A theoretical model based on experimental evidence for a vulnerable window during ventricular fibrillation. PACE 1990;13:563.
15. Dorian P, Feindel C, Lipton I. Usefulness of sotalol in conjunction with automatic implanted defibrillators in man. PACE 1990;13:517.
16. Allessie MA, Bonke FIM, Schopman FIG. Circus movement in rabbit atrial muscle as a mechanism of tachycardia. III. The "leading circle" concept: a new model of circus movement in cardiac tissue without the involvement of an anatomical obstacle. Circ Res 1977;41:9-18.
17. Pogwizd SM, Corr PB. Mechanisms underlying the development of ventricular fibrillation during early myocardial ischemia. Circ Res 1990;66:672-95.
18. Colatsky TJ, Follmer CH, Starmer F. Channel specificity in antiarrhythmic drug action: Mechanism of potassium channel block and its role in suppressing and aggravating cardiac arrhythmias. Circulation 1990;82:2235-42.
19. Amsdorf MF. Cardiac excitability and antiarrhythmic drugs: a different perspective. J Clin Pharmacol 1989;29:395-404.
20. Liem LB, Swedlow CD, Franz MR. Distinctive features of ventricular fibrillation and ventricular tachycardia detected by monophasic action potential recording in human subjects. J Electrophysiol 1988;2:484-91.
21. Moe GK. Evidence for reentry as a mechanism of cardiac arrhythmias. Rev Physiol Biochem Pharmacol 1975;72:56-81.