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Provoked DVT — RACP Adult Medicine MCQ

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EasyHaematologyProvoked DVTRACP Adult Medicine

A 35-year-old woman develops a DVT after a 14-hour flight. She has no other risk factors and thrombophilia screen is negative. She is treated with rivaroxaban. After 3 months she is well. What is the most appropriate duration of anticoagulation?

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Correct answer: E — 3 months then stop

A provoked DVT with a clear transient risk factor (long-haul flight) has a low recurrence risk (<3% per year) after stopping anticoagulation. Three months of treatment is sufficient. Extended anticoagulation is not recommended if the risk factor has resolved. Graduated compression stockings may be considered for post-thrombotic syndrome prevention.

Reference: eTG Haematology – 2024 – VTE Duration; ASH 2020 VTE Guidelines