What are the classifications of DVT?

Lower extremity (begins in calf propagates to popliteal vein, femoral vein, iliac vein, 10 times more common than upper) Upper extremity (precipitated by placement of pace makers, internal cardiac fibrillators, indewlling central venous cath, as cath diameter increases risk increases) Superficial venous thrombosis (erythema, tenderness, plapable cord, pt are at risk for DVT)