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Mahaim Accessory Pathways

Demosthenes G Katritsis1, Hein J Wellens2, Mark E Josephson3

  • 1Athens Euroclinic, Athens, Greece.

Arrhythmia & Electrophysiology Review
|May 17, 2017
PubMed

Insights

Mahaim fibers are rare, decrementally conducting pathways connecting the atrium or AV node to the ventricle near the right bundle branch. Their unique properties complicate diagnosis and treatment, requiring specialized understanding.

Area of Science:

  • Cardiology
  • Electrophysiology
  • Cardiac Anatomy

Background:

  • Mahaim fibers represent uncommon accessory pathways.
  • These fibers connect the atria or AV node to the ventricle, typically near the right bundle branch.
  • Their unique electrophysiological properties present diagnostic and therapeutic challenges.

Purpose of the Study:

  • To review the existing literature on Mahaim conduction.
  • To elucidate the electrocardiographic and electrophysiological characteristics of Mahaim fibers.
  • To discuss the anatomical origins of these anomalous cardiac fibers.

Main Methods:

  • Literature review of published evidence on Mahaim conduction.
  • Analysis of electrocardiographic findings associated with Mahaim fibers.
  • Review of electrophysiological study data.

Main Results:

  • Mahaim fibers exhibit decremental conduction properties.
  • Diagnosis can be challenging due to their rarity and unique characteristics.
  • Understanding their anatomy and electrophysiology is crucial for effective management.

Conclusions:

  • Mahaim conduction, though rare, requires thorough understanding.
  • Detailed analysis of electrocardiographic and electrophysiological data is essential for diagnosis.
  • Further research into the origin and management of Mahaim fibers is warranted.

Keywords:
Mahaimaccessorypathway

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