What is deep vein thrombosis?

What is deep vein thrombosis?

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Deep vein thrombosis is a clot that forms within a vein, with the vast majority of cases it happens in the leg. Now, by definition, deep vein thrombosis happens in the deep system veins in the leg. There is another set of veins in the leg which we call the superficial veins that are also susceptible to thrombosis but are much less dangerous. So the difficulty with deep vein thrombosis is that because they happen deep in the leg, they are sometimes difficult to diagnose in their earlier stages.