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Interpretation of the Electrocardiogram in Athletes
Keerthi Prakash1, Sanjay Sharma1
1Cardiovascular Sciences Department, St George's, University of London, London, United Kingdom.
The Canadian Journal of Cardiology
|February 11, 2016
Summary
Intensive sports participation causes heart changes visible on electrocardiograms (ECG). This review distinguishes benign athletic ECG patterns from dangerous ones to prevent misdiagnosis and sudden cardiac death.
Area of Science:
- Cardiology
- Sports Medicine
- Physiology
Background:
- Intensive sports participation induces cardiac electrical and structural adaptations.
- These adaptations can alter the surface electrocardiogram (ECG).
- Factors like sex, age, ethnicity, and sport type influence ECG patterns in athletes.
Purpose of the Study:
- To differentiate benign physiological ECG changes from pathological ones in athletes.
- To guide physicians in interpreting athlete ECGs accurately.
- To prevent misdiagnosis leading to career termination or overlooking serious cardiac conditions.
Main Methods:
- Review of existing literature and recommendations on athlete ECG interpretation.
- Analysis of factors influencing ECG patterns in athletes.
- Comparison of athletic ECG patterns with those indicative of cardiac pathology.
Main Results:
- Certain ECG patterns in athletes, particularly large male endurance athletes and those of African/Afro-Caribbean origin, may mimic cardiac diseases.
- Distinguishing physiological adaptations from pathology is critical.
- Recommendations exist to aid physicians in this interpretation.
Conclusions:
- Accurate ECG interpretation in athletes is vital for preventing sudden cardiac death.
- Understanding the spectrum of benign athletic ECG findings is crucial.
- This review aims to clarify which ECG patterns warrant further cardiac investigation.
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