DSA Vascular Assessment -Tyler Flashcards
3 most predictive exam findings for dx of acute stroke?
facial paresis
arm drift/ weakness
abnormal speech
Carotid artery stenosis is presence of atherosclerotic narrowing of _________ artery?
internal carotid
Carotid artery stenosis is considered ___________ if pt has not have TIA or ischmic stroke in the past 6 months?
ASYMPTOMATIC
Amaurosis fugax, contralateral weakness, aphasia and homonymous visual loss are all indicative of ?
SYMPTOMATIC carotid disease
Is it necessary to screen asymptomatic pt for carotid artery stenosis?
NO (annual risk of pt with ASYMPTOmatic carotid artery stenosis is LOW <1%)
What imaging is used to screen for CAS?
duplex ultrasonagraphy
What are 2 indications for screening with duplex ultrasonography?
- pt is ASYMPtomatic with a CAROTID BRUIT
2. SYMPtomatic atherosclerotic disease in another vascular bed (coronary, peripheral, aortic aneursym)
Used ______ index in patients with Diabetes as indicator of limb perfusion ?
Toe brachial
What are the next steps if pt has claudication with risk for PAD but the initial ABI is negative?
- perform excercise testing
2. repeat POST excercise ABI
What is Virchows Triad ( pathogenesis of DVT )
?
- alteration in blood flow
- vascular endothelial injury
- hypercoaguable state
An inheritable thrombophilia poses a risk for ____?
DVT (factor V leiden, protein C, S deficiency, Prothrombin mutation)
Unilateral edema, varying calf diameter, unilateral warmth/tenderness are all PE findings for _____?
DVT
Cancer, bedridden, dilation of veins could all lead to ?
DVT
Interpret an ABI
increased risk of cardiovascular morbitidy and mortality
interpret An ABI
more associated with decreased Physical activity than with claudication
what are some clinical sxs of PAD?
claudication coldness skin pigmentation local hair loss malnutrition of toenails gangrene ulceration
Weak absent pulses in (CVI/ PAD )?
PAD
Gangrene in (CVI/ PAD )?
PAD
Present and marked edema ((CVI/ PAD )?
CVI
tissue ischemia is the cause of (CVI/ PAD )?
PAD
Pain worse with standing or seated that improves with elevation is.((CVI/ PAD )?
CVI
Pain with walking that is relieved with rest or occasionally more pain when elevated? (CVI/ PAD )?
PAD
Numbness/tingling, limb aching, extremity swelling and muscle cramping are all associated with (CVI/ PAD )?
CVI
Stasis dermatitis and telangiectasias are associate with (CVI/ PAD )?
CVI
