Journal of Electrocardiology
Volume 43, Issue 5 , Pages 415-417 , September 2010

Repetitive polymorphic ventricular tachycardia initiated by phase 4 block in the His-Purkinje system

  • Jose' Dizon, MD

      Affiliations

    • Corresponding Author InformationCorresponding author. Division of Cardiology, Department of Medicine, Columbia University Medical Center Columbia University, 222 Westchester Ave., White Plains, NY 10604, USA.
  • ,
  • Daniel Wang, MD
  • ,
  • Alan Vainrib, MD

Received 3 November 2009

References 

  1. Hernandez R, Mann DE, Reiter MJ. Bradycardia-dependent block and fatigue phenomenon of the His-Purkinje system manifested during upright tilt. Pacing Clin Electrophysiol. 1989;12:1884
  2. Bergfeldt L, Vallin H, Edhaj O, Hessline B, Lagergren H. Paroxysmal complete heart block due to bradycardia-dependent, “phase 4” fascicular block in a patient with sinus node dysfunction and bifascicular block. Pacing Clin Electrophysiol. 1984;7:839
  3. Fujiki A, Yoshida S, Tani M, Mizumaki K, Tsuji H, Sasayama S. Phase 3 and phase 4 block in the accessory pathway. J Cardiol. 1990;20:217
  4. Chiang CE, Roden DM. The long QT syndromes: genetic basis and clinical implications. J Am Coll Cardiol. 2000;36:1
  5. Lazzara R. Antiarrhythmic drugs and torsade de pointes. Eur Heart J. 1993;14(Suppl H):88
  6. Hauptman PJ, Kelly RA. Digitalis. Circulation. 1999;99:1265
  7. Xie LH, Weiss JN. Arrhythmogenic consequences of intracellular calcium waves. Am J Physiol Heart Circ Physiol. 2009;297:H997

 No conflict of interest or financial support to disclose.

PII: S0022-0736(09)00638-4

doi: 10.1016/j.jelectrocard.2009.12.011

Journal of Electrocardiology
Volume 43, Issue 5 , Pages 415-417 , September 2010