STROKE COMPLICATIONS BLOOD CLOTS it usually develops in a stroke sufferer who is immobile in the lower limbs in the veins also called as deep vein thrombosis.the most dangerous comlication of this is it the clot can fragment and travel to lungs causing pulmonary embolism whic is potentially fatal HOW TO PREVENT THE CLOT FORMATION? HEPARIN OR LOW MOLECULAR WEIGHT HEPARIN IS USED COMMONLY TO PREVENT IT equally effective alterbnative is to provide inermittent pneumatic comppression