Question

A 63-year-old man presents with a swollen, tender left calf after a long-haul flight from London to Sydney. Ultrasonography confirms a proximal deep vein thrombosis. He has no active cancer, no severe renal impairment and no recent surgery. What is the most appropriate initial anticoagulant regimen?

Accepted Answer

Start rivaroxaban using the venous thromboembolism loading regimen

Answer

Commence warfarin with no initial parenteral anticoagulation

Answer

Low molecular weight heparin for 5 days followed by aspirin alone

Answer

Insert an inferior vena cava filter and avoid anticoagulation

Answer

No anticoagulation is needed as the clot is provoked

Practice question