Venous Thrombosis Flashcards
1
Q
does atherosclerosis affect the venous system?
A
no
2
Q
risk factors association for venous thrombosis
A
Virchow’s triad
- stasis
- vessel wall damage
- hypercoagulability
3
Q
risk factors for VTE
A
age marked obesity pregnancy, puerperium, oestrogen therapy immobility (trauma, surgery, paralysis) infection thrombophilia valve deficiency
4
Q
what is hypercoagulability associated with?
A
release of tissue factor
increased VWF
factor VIII
5
Q
clots in the venous system
A
fibrin rich, platelets largely not involved
6
Q
main cause of VTE
A
stasis
7
Q
management of VTE
A
heparin
warfarin
newer oral agents e.g. edoxaban, rivaroxaban
8
Q
DVT DD
A
cellulitis
trauma
Baker’s cyst rupture
9
Q
when should D-dimers not be requested?
A
malignancy
pregnancy
sepsis
post-op