Question

A 71-year-old with prior DVT undergoing knee arthroplasty asks about postoperative prophylaxis. Which option is guideline-concordant?

Accepted Answer

Appropriate pharmacologic prophylaxis (e.g., LMWH/DOAC) plus mechanical measures based on risk

Answer

Aspirin alone for all high-risk patients

Answer

No prophylaxis if early ambulation

Answer

Warfarin INR 3.5-4.0

Answer

Clopidogrel prophylaxis

Practice question

A 71-year-old with prior DVT undergoing knee arthroplasty asks about postoperative prophylaxis. Which option is guideline-concordant?