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Syncope and near syncope in competitive athletes.
Balakrishnan Natarajan1, Vineet Nikore
1MacNeal Hospital Sports Medicine Fellowship, 550 West Webster, Chicago, IL 60614, USA. sportsmedicine@sbcglobal.net
Syncope is uncommon in athletes but can stem from various causes. Identifying cardiac syncope is crucial to prevent sudden death and guide athletic participation restrictions.
Area of Science:
- Sports Medicine
- Cardiology
- Physiology
Background:
- Syncope (fainting) is common in the general population but rare in athletes.
- Causes of syncope are diverse, including benign neurocardiogenic syncope and potentially life-threatening cardiac conditions.
Purpose of the Study:
- To differentiate between benign and life-threatening causes of syncope in athletes.
- To highlight the importance of identifying athletes at risk for sudden cardiac death.
Main Methods:
- Review of syncope causes in athletes.
- Emphasis on clinical evaluation including history, physical examination, and electrocardiogram.
Main Results:
- Neurocardiogenic syncope, often due to reduced venous return, is the most common cause and typically not life-threatening.
- Cardiac syncope may arise from mechanical or structural issues, posing a risk of sudden death.
Conclusions:
- A comprehensive evaluation can distinguish benign from critical syncope causes in athletes.
- Early identification of athletes with cardiac syncope is essential for appropriate management and restriction from sports to prevent sudden death.
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