Fainting during physical activity
Fainting during physical activity can indicate a serious heart condition. Unlike fainting from standing up too fast, exercise-related syncope requires urgent cardiac evaluation.
Common Causes of Fainting during physical activity
- Hypertrophic cardiomyopathy
- Heart arrhythmias
- Aortic stenosis
- Dehydration or heat exhaustion
- Exercise-induced asthma (severe)
When to Seek Urgent Medical Care for Fainting during physical activity
These signs may indicate a serious problem — don't wait, seek medical care right away:
- Seek emergency care if you faint during exercise, experience chest pain or palpitations before fainting, or have a family history of sudden cardiac death.
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