of low-molecular weight heparin (LMWH).15-17 One such study found a reduction of DVT incidence from 16.5 percent to 4.8 percent with the use of LMWH in patients immobilized in lower extremity casts.17 Study authors recommended prophylaxis for all patients immobilized in a plaster cast for lower extremity injuries irrespective of age and other risk factors such as smoking, obesity, contraception a