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[Arrhythmia and sport].

N Saoudi1, K Yaici, N Zarkane

  • 1Centre hospitalier Princesse Grace, 98000 Monaco. nsaoudi@chpg.mc

Archives Des Maladies Du Coeur Et Des Vaisseaux
|January 26, 2006
PubMed
Summary
This summary is machine-generated.

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Intense athletic training can cause heart changes and arrhythmias, some reversible. However, serious heart conditions like hypertrophic cardiomyopathy, not just training, often underlie dangerous arrhythmias and sudden cardiac death in athletes.

Area of Science:

  • Cardiology
  • Sports Medicine
  • Exercise Physiology

Context:

  • Sudden cardiac death in athletes has increased media attention.
  • Intense training induces cardiac remodeling, including left ventricular hypertrophy (LVH), mimicking pathological conditions.
  • Electrocardiogram (ECG) changes in athletes include LVH signs and conduction disturbances.

Purpose:

  • To differentiate training-induced cardiac adaptations from underlying heart disease in athletes.
  • To explore the relationship between intense training, cardiac arrhythmias, and sudden cardiac death.
  • To highlight the role of hypertrophic cardiomyopathy and doping in athlete mortality.

Summary:

  • Athletic training causes cardiac modifications like left ventricular hypertrophy and ECG changes (e.g., bradycardia).

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  • Arrhythmias, from benign to malignant, can occur, with benign forms often reversible.
  • Malignant arrhythmias and sudden death are frequently linked to undiagnosed structural heart disease, particularly hypertrophic cardiomyopathy, and potentially exacerbated by doping.

    • Impact:

    • Emphasizes the need for careful cardiac evaluation in athletes to distinguish physiological adaptations from pathological conditions.
    • Underscores the risk of sudden cardiac death in athletes with underlying structural heart disease.
    • Raises awareness of doping's potential contribution to cardiovascular risks in sports.