Role of ventricular late potentials for identification of patients at risk of ventricular tachycardia

  • Günter Breithardt
  • Martin Borggrefe
  • Klaus Haerten
  • Joachim Schwarzmaier
  • Ulrich Karbenn
  • Andrea Podczeck
Part of the Developments in Cardiovascular Medicine book series (DICM, volume 71)


Recent interest in the field of non-invasive clinical electrophysiology has focused on the use of signal averaging for detection of abnormal, low-amplitude electrical activity at the end of or after the QRS-complex on the body surface in patients with documented ventricular tachycardia [1–7]. These signals have been called ventricular late potentials (‘potential tardif’) [7]. They probably originate from areas of regional slow conduction in the border zone of old myocardial infarction. There is convincing evidence that their presence is closely correlated with the propensity to ventricular tachycardia [2–5, 9–11]. With conventional methods of ECG recording, these signals can normally not be registered on the body surface. Berbari et al. [1] in the experimental animal and Fontaine et al. [7] in man were the first to report that these signals could be recorded from the body surface by the use of high-gain amplification, appropriate filtering and computer averaging techniques.


Myocardial Infarction Ventricular Tachycardia Pulmonary Artery Pressure Late Potential Arrhythmic Event 
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Copyright information

© Martinus Nijhoff Publishers, Dordrecht 1987

Authors and Affiliations

  • Günter Breithardt
    • 1
  • Martin Borggrefe
    • 1
  • Klaus Haerten
    • 1
  • Joachim Schwarzmaier
    • 1
  • Ulrich Karbenn
    • 1
  • Andrea Podczeck
    • 1
  1. 1.Department of Cardiology, Pneumology, and AngiologyHospital of the University of DüsseldorfDüsseldorfGermany,F.R.

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