Question

A 33-year-old woman at 20 weeks' gestation presents with unilateral left calf swelling and pain. She has no chest symptoms. According to Canadian VTE-in-pregnancy guidance, what is the most appropriate investigation strategy?

Accepted Answer

Compression ultrasonography of the left leg veins

Answer

D-dimer testing alone to exclude deep vein thrombosis

Answer

CT pulmonary angiography

Answer

No imaging; start full-dose warfarin immediately

Answer

Observe and reassess in 1 week

Practice question

A 33-year-old woman at 20 weeks' gestation presents with unilateral left calf swelling and pain. She has no chest symptoms. According to Canadian VTE-in-pregnancy guidance, what is the most appropriate investigation strategy?