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Sudden death associated with alcohol consumption.

R J Panos1, F J Sutton, P Young-Hyman

  • 1Department of Medicine, University of Maryland, School of Medicine, Baltimore.

Pacing and Clinical Electrophysiology : PACE
|April 1, 1988
PubMed
Summary
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Sudden cardiac arrest in binge drinkers may be linked to alcohol. An alcohol challenge test during electrophysiological studies can reveal underlying heart issues in survivors, aiding future prevention.

Area of Science:

  • Cardiology
  • Clinical Electrophysiology
  • Toxicology

Background:

  • Sudden cardiac death (SCD) survivors often undergo extensive cardiac evaluation.
  • Binge drinking is a prevalent behavior with known cardiovascular risks.
  • Identifying triggers for cardiac events in individuals with no apparent heart disease is crucial.

Observation:

  • A binge drinker who survived sudden cardiac arrest showed normal baseline electrophysiological testing.
  • Intravenous ethanol infusion during electrophysiological study induced ventricular tachycardia.
  • Electrophysiological testing normalized after alcohol withdrawal.

Findings:

  • Ethanol provocation during electrophysiological testing can unmask latent cardiac electrical instability.
  • This instability, specifically polymorphic ventricular tachycardia, was triggered by alcohol in this case.

Related Experiment Videos

  • The patient experienced a fatal cardiac event after resuming heavy alcohol consumption.

    • Implications:

    • Alcohol should be considered a potential trigger for cardiac arrest in susceptible individuals.
    • Alcohol challenge testing may be a valuable diagnostic tool for evaluating survivors of unexplained cardiac arrest.
    • Further research is needed to understand the mechanisms of alcohol-induced arrhythmias and inform preventative strategies.