- The deep veins of the proximal leg are the popliteal, femoral and ileac veins.
- The deep veins of the calf are the anterior tibial, peroneal, posterior tibial veins.
- It is estimated that 90% of acute pulmonary embolisms arise from proximal veins. [2]
- A thrombus in the superficial vein is rarely the source of a pulmonary embolism.
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