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Related Experiment Videos

The early repolarization syndrome.

J A Eastaugh1

  • 1Providence Hospital, Washington, D.C. 20017.

The Journal of Emergency Medicine
|May 1, 1989
PubMed
Summary
This summary is machine-generated.

Early repolarization variant is a common, benign ECG pattern that can mimic serious heart conditions. Recognizing this variant can prevent unnecessary treatments for patients with chest pain.

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Area of Science:

  • Cardiology
  • Electrocardiography

Background:

  • Early repolarization variant is a common electrocardiogram (ECG) finding in 1-2% of adults.
  • This benign phenomenon typically occurs without underlying heart disease.

Purpose of the Study:

  • To describe the early repolarization variant.
  • To differentiate it from acute myocardial injury and pericarditis.

Main Methods:

  • Review of ECG manifestations.
  • Observation of effects of exercise and isoproterenol.
  • Correlation with treadmill testing and coronary angiography.

Main Results:

  • ECG findings may mimic acute myocardial injury or pericarditis.
  • Exercise and isoproterenol can normalize ST segment elevation.

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  • Early repolarization does not exclude exercise-induced myocardial ischemia or coronary lesions.

    • Conclusions:

    • Early repolarization variant is a benign ECG pattern.
    • Diagnosis requires exclusion of other conditions, especially in patients with chest pain.
    • Recognition prevents unnecessary thrombolytic therapy.