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Mahaim Revisited.

Eduardo Back Sternick1, Damian Sanchez-Quintana2, Hein Jj Wellens3

  • 1Arrhythmia and Electrophysiology Department, Biocor Institute, Nova Lima, Brazil.

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|August 22, 2022
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Summary

Mahaim physiology is debated, with alternative pathways causing abnormal heart rhythms. This review examines the history of accessory atrioventricular junctional pathways and their role in cardiac arrhythmias.

Keywords:
Ventricular pre-excitationatriofascicular tractatrioventricular nodefasciculoventricular pathwaysnodoventricular pathways

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Area of Science:

  • Cardiology
  • Electrophysiology
  • Medical History

Background:

  • The eponym "Mahaim physiology" is associated with accessory atrioventricular junctional pathways.
  • Alternative anatomical substrates can cause arrhythmias misattributed to Mahaim's described pathways.
  • Debate exists regarding the continued use of "Mahaim physiology" in scientific literature.

Purpose of the Study:

  • To review the historical context of accessory atrioventricular junctional pathways.
  • To examine the contributions of Ivan Mahaim to understanding cardiac arrhythmias.
  • To discuss the ongoing debate surrounding the eponym "Mahaim physiology".

Main Methods:

  • Historical literature review.
  • Analysis of electrophysiological studies.
  • Examination of anatomical descriptions of cardiac conduction pathways.

Main Results:

  • Accessory atrioventricular junctional pathways outside the normal system can cause significant arrhythmias.
  • Understanding the complex anatomy and electrophysiology of these pathways has evolved over time.
  • The name Mahaim has been historically linked to discussions of these pathways, though not always accurately.

Conclusions:

  • While anatomical specificity is crucial, discarding "Mahaim physiology" may not enhance understanding.
  • A historical perspective on accessory atrioventricular junctional pathways is valuable.
  • Further clarification on the precise role and naming of these pathways is warranted.