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Cardiovascular changes in athletes.

B Mukerji1, M A Alpert, V Mukerji

  • 1University of Missouri Health Sciences Center, Columbia.

American Family Physician
|September 1, 1989
PubMed
Summary
This summary is machine-generated.

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Vigorous athletic training causes significant cardiac adaptations, including increased heart size and common, benign changes in heart sounds, ECGs, and radiographs. These physiological changes are typical findings in athletes undergoing conditioning.

Area of Science:

  • Cardiology
  • Sports Medicine
  • Physiology

Background:

  • Athletic training induces physiological adaptations in the cardiovascular system.
  • Understanding these changes is crucial for differentiating them from pathological conditions.

Purpose of the Study:

  • To summarize the common cardiac and electrocardiographic alterations observed in athletes due to training.

Main Methods:

  • Review of typical findings in athletes related to cardiac structure and function.
  • Description of common electrocardiographic and radiographic changes.

Main Results:

  • Increased left ventricular volume and wall thickness.
  • Prevalence of bradycardia, audible third heart sound, and systolic murmurs.

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  • Common electrocardiographic abnormalities include increased PR interval, widened QRS, and repolarization changes.
  • Radiographic findings show cardiomegaly and a globular heart shape.

    • Conclusions:

    • The described cardiac, electrocardiographic, and radiographic findings are characteristic physiological adaptations to athletic conditioning.
    • These changes are generally benign and distinct from cardiac pathology.