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Volume: 38
Number: 4
Index: December 2010
Clinical Focus:Respiratory Care
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December 2010
Clinical Focus: Respiratory Medicine
  • Asthma and the athlete
    • Vocal cord dysfunction
    • Exercise-induced asthma
    • Exercise-induced bronchospasm
  • COPD
    • Obesity and COPD
    • Relationship between COPD and nutrition intake
  • Treatment options for steroid-induced osteoporosis in men
  • Treatments for asthma
    • Bronchodilators, anticholinergics
    • Corticosteroids
    • Metered-dose vs other types of inhalers
  • Respiratory infections in winter sports athletes
  • Asthma in elite athletes
  • Pulmonary rehabilitation and physical activity
  • Fitness and long-term oxygen therapy/lung transplantation
  • Airflow function and the metabolic syndrome
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doi: 10.3810/psm.2000.09.1207
The Physician and Sportsmedicine: Volume 28: No.9
Seizure After Exercise in the Heat
Recognizing Life-Threatening Hyponatremia
Scott D. Flinn, MD; Ryan J. Sherer, MD
Abstract: A 20-year-old military recruit suffered a generalized tonic-clonic seizure following 9 hours of moderate activity in a hot, humid environment. He had drunk at least 5.8 L of plain water before the seizure, and laboratory studies revealed that his serum sodium concentration was 113 mmol/L. Overconsumption of fluids during exercise may precipitate acute hyponatremia, a potentially life-threatening medical condition. Prompt correction of serum sodium in acute exertional hyponatremia is important to reduce the risk of permanent neurologic sequelae or death. Recommendations for prevention include ingesting the correct amount of fluid for the activity (the most important method) and consuming adequate salt through diet or beverage.


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