One key warning sign is rest pain.
This is different from muscle soreness after exercise.
PAD-related pain:
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Often affects calves, feet, or toes
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Feels burning or cramping
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Improves when legs are lowered off the bed
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Worsens when lying flat
Why?
When lying down, gravity no longer helps blood flow reach the feet. In narrowed arteries, circulation becomes insufficient, triggering pain.
If someone needs to dangle their legs off the bed for relief, that is a red flag.
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