Venous Thromboembolism Flashcards
Virchow’s Triad:
Factor V Leiden
inherited or acquired hypercoagulable state?
inherited
Virchow’s triad:
Protein C and S deficiency
inherited or acquired hypercoagulable state?
inherited
Virchow’s triad:
Anti-thrombin deficiency
inherited or acquired hypercoagulable state?
inherited
Virchow’s triad:
Malignancy
Inherited or acquired hypercoagulable state?
acquired
Virchow’s triad:
Pregnancy
Inherited or acquired hypercoagulable state?
acquired
Virchow’s triad:
antiphospholipid antibodies
Inherited or acquired hypercoagulable state?
acquired
Virchow’s triad:
IBS
Inherited or acquired hypercoagulable state?
acquired
Virchow’s triad:
Drug therapy (estrogen containing contraceptives, estrogen replacement therapy, estrogen receptor modulators)
inherited or acquired hypercoagulable state?
acquired
Virchow’s triad:
acute medical illness requiring hospitalization
hypercoagulable state, blood stasis, or vascular injury
blood stasis
Virchow’s triad:
surgery (especially general anesthesia > 30 mins)
hypercoagulable state, blood stasis, or vascular injury
blood stasis
Virchow’s triad:
paralysis (post stroke, spinal cord injury)
hypercoagulable state, blood stasis, or vascular injury
blood stasis
Virchow’s triad:
immobility (plaster casts, long travel)
hypercoagulable state, blood stasis, or vascular injury
blood stasis
Virchow’s triad:
atrial fibrillation
hypercoagulable state, blood stasis, or vascular injury
blood stasis
Virchow’s triad:
obesity
hypercoagulable state, blood stasis, or vascular injury
blood stasis
Virchow’s triad:
surgery
hypercoagulable state, blood stasis, or vascular injury
vascular injury
or blood stasis if general anesthesia > 30 mins
Virchow’s triad:
trauma
hypercoagulable state, blood stasis, or vascular injury
vascular injury
Virchow’s triad:
atherosclerosis
hypercoagulable state, blood stasis, or vascular injury
vascular injury
Virchow’s triad:
chemical irritation
hypercoagulable state, blood stasis, or vascular injury
vascular injury
Virchow’s triad:
indwelling venous catheters
hypercoagulable state, blood stasis, or vascular injury
vascular injury
Massive PE SBP?
< 90 mmHg
cardiogenic shock
RV dysfunction (EKG or echo) + biomarkers (elevated troponin, BNP)
massive, submassive, or non massive PE?
submassive
Normal vital signs, no RV dysfunction, no + biomarkers
massive, submassive, or non massive PE?
non massive
Wells clinical DVT score
Low score range?
% of DVT?
low range: 0
% of DVT: 3%
used to determine if pt is likely or unlikely to have DVT
Wells clinical DVT score:
moderate score range?
% of DVT?
moderate range: 1-2
% of DVT: 17%
used to determine if pt is likely or unlikely to have DVT
Wells clinical DVT score:
high score range?
% DVT?
high range: >= 3
% DVT: 75%
used to determine if pt is likely or unlikely to have DVT
Wells clinical PE score:
low score range?
% PE?
low range: < 2
% PE: 3-10 %
d-dimer test for diagnosis
Wells clinical PE score:
moderate score range?
% PE?
moderate range: 2-6
% PE: 15-35%
d-dimer test for diagnosis
Wells clinical PE score:
high score range?
% PE?
high range: >= 7
% PE: 70-80%
imaging test for diagnosis
