Wells score

Question 1

What is the well’s score used for?

Answer 1

Used in outpatients and A&E, low risk and a negative D-dimer can rule out a DVT, meaning an ultrasound isn’t needed.

Question 2

How are the DVT symptoms scored?

Answer 2

Calf swelling more than 3cm than the other leg +1
Collateral non varicose superficial veins present +1
Entire swollen leg +1
Localised tenderness along the deep veinous system +1
Pitting oedema confined to symptomatic leg +1
Paralysis, paresis, recent plaster immobilisation of the lower extremity +1

Question 3

What are the conditions for a cancer history to be scored?

Answer 3

Treatment or palliation within 6 months +1

Question 4

How long must someone be bedridden for it to be a risk factor?

Answer 4

3 days

Question 5

What score does a previous DVT give?

Answer 5

+1

Question 6

What reduces the score?

Answer 6

An alternative diagnosis of DVT is likely -2

Question 7

How is a score interpreted?

Answer 7

Less than 2 points moderate risk
Above 2 high risk

Question 8

How do you treat a DVT?

Answer 8

Apixaban/ rivaroxaban first line, if not suitable LMWH for 5 days