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Related Experiment Videos

Electrocardiographical case. Asymptomatic patient with ST-segment elevation.

C K Ching1, W S Teo

  • 1Department of Cardiology, National Heart Centre, Mistri Wing, Third Hospital Avenue, Singapore 168752.

Singapore Medical Journal
|October 29, 2004
PubMed
Summary
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This case study highlights Brugada syndrome, a genetic heart condition causing giddiness and potentially sudden cardiac death. Early ECG diagnosis and ICD implantation are crucial for patient management.

Area of Science:

  • Cardiology
  • Clinical Electrophysiology

Background:

  • Brugada syndrome is an inherited cardiac channelopathy.
  • It predisposes individuals to ventricular arrhythmias and sudden cardiac death.
  • Diagnosis often relies on characteristic electrocardiogram (ECG) findings and provocative drug challenge.

Observation:

  • A 46-year-old man presented with recurrent giddiness.
  • Electrocardiogram (ECG) revealed coved ST segment elevation in right precordial leads (V2), indicative of Brugada syndrome.
  • Flecanide challenge exacerbated ECG abnormalities and induced ventricular ectopy.

Findings:

  • Electrophysiological studies successfully induced ventricular fibrillation.
  • The patient was diagnosed with Brugada syndrome based on clinical presentation, ECG, and electrophysiological findings.

Related Experiment Videos

  • An implantable cardioverter-defibrillator (ICD) was implanted for primary prevention of sudden cardiac death.

    • Implications:

    • This case underscores the importance of recognizing subtle ECG changes suggestive of Brugada syndrome.
    • Prompt diagnosis and appropriate management, including ICD implantation, are vital for preventing sudden cardiac death in affected individuals.
    • Further research into Brugada syndrome mechanisms and therapeutic strategies remains essential.