Brugada ECG patterns in athletes

Eugene H Chung1

  • 1Division of Cardiology, Cardiac Electrophysiology, UNC School of Medicine, 160 Dental Circle, CB 7075, Chapel Hill, NC.

Insights

Brugada syndrome, a cause of sudden cardiac death, involves abnormal heart electrical activity. This review clarifies diagnostic electrocardiogram (ECG) patterns and evaluation criteria, especially for athletes.

Area of Science:

  • Cardiology
  • Electrophysiology
  • Sudden Cardiac Death

Background:

  • Brugada syndrome accounts for significant sudden cardiac deaths globally, particularly in individuals with structurally normal hearts.
  • The arrhythmogenic substrate is linked to heterogeneous repolarization and depolarization in the right ventricle's outflow tract.

Purpose of the Study:

  • To review Brugada syndrome, its electrocardiogram (ECG) patterns, and diagnostic criteria.
  • To address challenges in distinguishing Brugada patterns, especially in athletes.
  • To provide recommendations for evaluating Brugada ECG patterns.

Main Methods:

  • Review of existing literature on Brugada syndrome and ECG patterns.
  • Analysis of proposed criteria for assessing Brugada ECG patterns.
  • Emphasis on the importance of correct precordial ECG lead placement.

Main Results:

  • The diagnostic coved Type I ECG pattern is infrequently observed.
  • Differentiating Type 2 (saddleback) and other Brugada-like patterns poses diagnostic challenges.
  • Various criteria exist for assessing Brugada ECG patterns.

Conclusions:

  • Accurate ECG interpretation and lead placement are crucial for diagnosing Brugada syndrome.
  • Recent criteria and evaluation recommendations are presented to aid clinicians.
  • Further clarity is needed for differentiating Brugada patterns, particularly in specific populations like athletes.

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