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High risk electrocardiographic markers in Brugada syndrome

Dimitrios Asvestas1, Gary Tse2,3, Adrian Baranchuk4

  • 1Laboratory of Cardiac Electrophysiology, Evangelismos General Hospital of Athens, Greece.

International Journal of Cardiology. Heart & Vasculature
|June 8, 2018
PubMed

Insights

Identifying specific electrocardiographic (ECG) markers beyond the spontaneous type 1 pattern is crucial for risk stratification in Brugada syndrome (BrS) patients. This review focuses on depolarization and repolarization markers linked to higher arrhythmic event risk.

Area of Science:

  • Cardiology
  • Electrophysiology
  • Medical Diagnostics

Background:

  • Brugada syndrome (BrS) poses a risk for sudden cardiac death.
  • Optimal risk stratification for BrS patients remains a clinical challenge.
  • Existing markers, including ECG findings, require further refinement.

Purpose of the Study:

  • To review and highlight specific electrocardiographic (ECG) markers for risk stratification in Brugada syndrome (BrS).
  • To focus on depolarization and repolarization markers associated with arrhythmic events.

Main Methods:

  • Literature review of clinical, electrocardiographic (ECG), and electrophysiological studies.
  • Analysis of markers predictive of arrhythmic events in BrS.
  • Focus on ECG patterns beyond the spontaneous type 1.

Main Results:

  • A spontaneous type 1 ECG pattern is the most established risk marker.
  • Specific ECG markers related to depolarization and repolarization show prognostic value.
  • These markers aid in identifying high-risk BrS individuals.

Conclusions:

  • Beyond the spontaneous type 1 ECG, other depolarization and repolarization markers improve BrS risk assessment.
  • Enhanced ECG analysis can refine arrhythmic event risk stratification in BrS.
  • Further research into these markers may optimize management strategies for BrS patients.

Keywords:
Brugada syndromeElectrocardiogramSudden cardiac death

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