Guideline Development Group:

Apr 16, 2015 · This occurs when the clot dislodges, travels through the venous system and causes a blockage in the pulmonary circulatory system. A proximal LE DVT, defined as occurring in the popliteal vein or veins more cephalad, is associated with an estimated 50% risk of PE if not treated as compared to approximately 20% to 25% of LE DVTs below the knee ... ................
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