2. Abnormal Heart Rhythms

  1. Richard N. Fogoros

Published Online: 16 JUL 2012

DOI: 10.1002/9781118399613.ch2

Electrophysiologic Testing, Fifth Edition

Electrophysiologic Testing, Fifth Edition

How to Cite

Fogoros, R. N. (2012) Abnormal Heart Rhythms, in Electrophysiologic Testing, Fifth Edition, John Wiley & Sons, Ltd, Chichester, UK. doi: 10.1002/9781118399613.ch2

Author Information

  1. Pittsburgh, PA, USA

Publication History

  1. Published Online: 16 JUL 2012
  2. Published Print: 29 AUG 2012

ISBN Information

Print ISBN: 9780470674239

Online ISBN: 9781118399613



  • abnormal heart rhythms;
  • abnormalities in electrical system of heart, two types;
  • failure of impulse generation and impulse propagation;
  • second major cause of bradyarrhythmias, failure of electrical impulses;
  • heart block, three categories based on severity;
  • automaticity, as normal pacemaker function of heart;
  • reentry, mechanism for tachyarrhythmias;
  • triggered activity;
  • digitalis-toxic supraventricular and ventricular arrhythmias


This chapter contains sections titled:

  • Bradyarrhythmias

  • Tachyarrhythmias