DVT Flashcards
Define DVT
Thrombus (clot) in deep vein of leg
How many surgical patients get DVT?
a) 1-2%
b) 20-50%
c) 60-70%
d) 80-90%
b) 20-50%
name 3 symptoms presents on the calf of a DVT patient
tenderness
warmth
swelling
give one systemic symptom which may be present for DVT
mild fever
What is Homan’s sign for DVT?
a) pain on knee flexion
b) pain on dorsiflexion of ankle
c) pain on knee extension
d) pain on plantarflexion
b) pain on dorsiflexion of ankle
why shouldn’t Homan’s sign be performed?
may dislodge clot
if pain is referred to the iliofemoral region, what does this mean in reference to motility of the clot?
more likely to dislodge
in complete occlusion due to DVT, what sign of peripheral hypoxia might you see in the leg?
cyanosis
what is post-phlebitis syndrome?
ulceration after complete occlusion following a DVT
give two lifestyle risk factors for DVT
immobility
obesity
what is a thrombus in contrast to a clot?
solid mass in circulation from living blood constituents in life (not dried, dead etc)
What is Well’s score used to calculate?
DVT risk
what would a Well’s score of 3 or more indicate?
high risk DVT
What are these criteria used to calculate? active cancer previous DVT recent immobilisation swollen superficial veins calf swelling >3cm entire leg swelling localised swelling
Well’s Score
DVT
what specific blood test would you use in the case of suspected DVT?
D-Dimer
