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varicose veins vv - Coggle Diagram
varicose veins 
definition
medical: are sc permanently dilated veins (3mm or more in diameter in standing position even if not visible)
layman:
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Your heart pumps blood all around your body through blood vessels called arteries, which carry oxygen to the cells in your various organs. When the cells have taken out the oxygen the blood returns to your heart through blood vessels called veins.
Blood returning from your feet and legs has to flow upwards, so veins have valves in them to stop the blood flowing backwards.
You get varicose veins when the valves in some of the veins near the surface of your legs don't work properly. When this happens blood collects in the veins in your legs instead of flowing back to your heart.
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epidemiology
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15% men, 25% women in over 15 yo
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dx
Hx
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Hx of previous intervention, trauma, dvt, bleeding
Ex
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Extent, size and location
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