DVT Prophylaxis Quiz

Which of the following is not a component of Virchow's triad?

• Hypercoagulability

• Vascular injury

• Hypotension

• Venous stasis

Which of the following factors increases the risk of post-operative DVT the most?

• Young age

• Early ambulation

• Major lower limb orthopedic surgery

• Use of regional anesthesia

The most common site of thrombus formation in post-op orthopedic patients is:

• Femoral vein

• Popliteal vein

• Iliac vein

• Calf veins

The peak time for post-operative DVT to develop is:

• 6-12 hours

• 1-3 days

• 5-7 days

• 14-21 days

Which of the following surgeries has the lowest risk of DVT?

• Total knee replacement

• Total hip arthroplasty

• Spinal instrumentation

• Laparoscopic appendectomy

Hypercoagulability may result from all except:

• Oral contraceptive pills

• Malignancy

• Liver failure

• Factor V Leiden mutation

Which scoring system is commonly used to assess the risk of venous thromboembolism in surgical patients?

• CHADS2 Score

• Padua Prediction Score

• Caprini Risk Assessment Model

• Wells Score

Which of the following patients would benefit most from aggressive DVT prophylaxis?

• 20-year-old after ACL reconstruction

• 65-year-old with hip fracture

• 30-year-old after carpal tunnel surgery

• 45-year-old undergoing diagnostic laparoscopy

According to ACCP guidelines, when should DVT prophylaxis start in a total knee replacement surgery?

• 12 hours before surgery

• Intra-operatively

• 12-24 hours post-operatively

• After hospital discharge

Duration of DVT prophylaxis after hip replacement, as per current guidelines, is:

• 3 days

• 7-10 days

• 14 days

• 28-35 days