Understanding Fainting from Prolonged Standing: Causes and Prevention
Standing still for long periods can cause fainting due to:
- Blood pooling in legs: Reduces venous return, dropping blood pressure.
- Reduced oxygen demand: Inactive muscles need less oxygen, potentially lowering blood oxygenation.
- Dehydration: Less sweating can mask fluid loss, reducing blood volume.
- Medical conditions: Heart disease, diabetes, anemia increase fainting risk.
If lightheaded or dizzy: Sit or lie down immediately. If you faint, seek medical attention.
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