A 65-year-old male with a history of obesity and osteoarthritis is scheduled for a total knee arthroplasty. He has no personal or family history of VTE. What is the most appropriate deep vein thrombosis (DVT) prophylaxis for this patient postoperatively?
✓ Correct Answer: Option C
Major orthopedic surgery like total knee arthroplasty carries a high risk of VTE. Pharmacologic prophylaxis, such as LMWH or fondaparinux, is strongly recommended to prevent DVT and PE.