Knowledge Check • The Blood Project

What are the three major types of leg vein clots (based on location)?

Click for Answer

1. Superficial vein thrombosis
2. Distal deep vein thrombosis
3. Proximal deep vein thrombosis

As a general rule, which of the following clots in the lower extremities are routinely anticoagulated?

a

Superficial femoral vein

b

Peroneal vein

This is a distal vein.

c

Femoral vein

This is a proximal vein.

d

Posterior tibial vein

This is a distal vein.

Which of the following should be anticoagulated?

a

Proximal DVT

b

Superficial vein thrombosis in absence of high risk for progression

c

Distal DVT with risk factor(s) for extension

What are the 2 major risk factors for extension in SVT?

Click for Answer

Isolated SVT ≥ 5 cm and/or located within 3 cm of the sapheno-femoral junction

SVT, superficial vein thrombosis

As a general rule, DAOCs are preferred to vitamin K antagonists for treatment of venous thromboembolism.

What is the most important exception?

Click for Answer

A patient with antiphospholipid syndrome

Match the condition with the treatment:

Large SVT

Distal DVT

Provoked DVT

Serial imaging

Fonda x 45 days

DOAC x 3 months

Correct! Sorry, Incorrect.

Abbreviations: DVT, deep vein thrombosis; SVT, superficial vein thrombosis; fonda, fondaparinux

True or false: in a patient with proximal deep vein thrombosis, anticoagulation is generally preferred over thrombolytic therapy and/or inferior vena cava filter.

a

True

b

False