DVT

Question 1

What is a DVT

Answer 1

Development of a thrombus in the deep veins of the lower extremities or pelvis.

Question 2

Risk factors for a DVT?

Answer 2

Prolonged immobilization
Bed rest > 3 days
Post op
Hx of a DVT
Obesity
age
Trauma
Malignancy
Pregnancy and postpartum
Stroke
DM,COPD, 
Factor 5 Leiden ( genetics)

Question 3

Symptoms

Answer 3

Asymptomatic
Pain and swelling in the affected limb
erythema
tenderness
leg pain with dorsi flexion

Question 4

Common differentials with a DVT

Answer 4

Cellulitis, thrombophlebitis, Chronic venous insufficiency, Lymphedema, Bakers cyst, Knee joint pain, Hematoma, muscle injury.

Question 5

What are the 2 categories of DVT

Answer 5

Distal

Proximal

Question 6

Explain the 2 categories of a DVT

Answer 6

Distal: confined to the deep calf vein.
Proximal: involves the popliteal, femoral or iliac veins ( most troublesome)

Question 7

How do you diagnosis a DVT

Answer 7

High D-dimer , must perform the following test,

Lower or comprehensive ( whole leg) ultrasound.

Question 8

What is a probability test for a DVT

Answer 8

Wells score

Question 9

What are the score values for a Wells score

Answer 9

High probability >3, moderate 1-2, low 0

Question 10

what is the role of anticoagulation

Answer 10

prevent clot extension