PVD Flashcards
PVD def
The presence of arterial stenosis or occlusion in the aorta or limbs
It’s a marker for co- exsistent CAD
Clinical manifestations
Asymptomatic Intermittent claudication - discomfort ache cramp leg ( exercise ) Functional impairment - slow speed, low distance Rest pain - pain/ parathesias feet/toes - worsens with elevation Ischemic ulceration - gangrene, ampuatations
PVD PE findings
Skin cool, tight, shiny w/ hair loss - arterial
Edema absent or mild
Nails thickened and ridged
Pallor w. Elevation , rub or w. Dependency
Decrease pulse
Painful ulcers on toes and feet
Skin around ulcer w/o pigment
Refer to vascular surgeon
Ankle- Brachial index
Comparing BP in arm to ankle which can reveal PAD
A large difference can = PAD low reading means that blood is having a hard time getting to the lower extremities
Normal = .91 to .1.3
.41 to .9 = moderate PAD
Severe PAD = <0.4
TX goals
Limb outcomes - prevent limb ischemia/ amputation improve walking distance, QOL
Outcomes in CV morbidity/Mortality - decrease MI, Stroke, CV disease
ASA
Primary prevention
Not evidence about elderly
Plavix
75 mg once daily
Favored to prevent stroke and PVD symtpoms
Don’t use with ASA
Arterial insufficiency
Skin cool, hair loss common Decreased pulses Typically no swelling Painful ulcer gangrene Red with dependency and blanched with elevation Thicken nails
Venous insufficiency
Skin temp normal Pulses normal Edema present Painful - varies Brown spots Blueish hue on dependency Stasis ulcerations on medical side of ankle, but not painful, no gangrene
Stasis dermatitis and Ulcers , def, location, look, TX
Common inflammatory dermatitis of lower extremities occurring in patients with chronic venous insufficiency
Medial ankle
Scaling and eczema patch or plaques on chronically edematous legs
May have pruritus but may result in lichenification from chronic scratching
TX: reduce edema, skin care, avoid local trauma, seen eval
Arterial insufficiency and Ulcers
Ischemic skin changes involving Lower foot/ lower extremities due to insufficient blood supply
Often asymptomatic
Location : feet/toes, shin, bony prominences
Non healing ulcer - gangrene
Cold pale extremities
Sensory loss
TX of intermittent claudication
Exercise therapy, drug therapy, selective use of revasularization
AAA
Localized enlargement of diameter of abdominal aorta , associated with sig morbidity and mortality
AAA types
Fusiform
- most common, cylindrical , affecting entire circumference of aorta
Saccular
- asymmetrical, affecting only a portion, form an infectious cause
Screening for AAA
One time US fro med 65-75 who have ever smoked