Cardiovascular Pathophysiology Con't Flashcards
What are chronic changes associated with occlusive disease?
Thickening of nail beds, drying of skin, loss of hair on feet and toes, muscle atrophy, and diminished strength and sensation
What are signs and symptoms of PAD?
Pain or ache with walking (intermittent claudication), diminished pulses, and cool limb
What can occlusive disease lead to?
Critical limb ischemia, gangrene, pain, and amputation
How is PAD diagnosed?
ABI - ankle brachial index
How is ABI measured?
Systolic blood pressure in ankle divided by systolic blood pressure in arm
What are the values for ABI?
1-1.29 - normal
.91-.99 - borderline
.41-.90 - mild-moderate
0-0.4 - severe
How is PAD treated?
Progressive exercise, foot care, angioplasty, bypass surgery, and amputation
What is an aneurysm?
Out-pocketing (weakening) of the arterial wall due to congenital malformation and longstanding HTN
Is an aneurysm symptomatic or asymptomatic?
Usually asymptomatic
What are possible symptoms of an aneurysm?
Rupture, back pain, head pain, and palpable out-pocketing in LE
What is the treatment for an aneurysm?
Monitor size and location and grafting
What is DVT?
Blood clot in the venous system
What are the three factors of Virchow’s Triad?
- Blood flow not circulating –> paralysis
- Physical trauma
- Cancer
What are risk factors for thromboembolic disease?
Dehydration, malignancy, surgery or trauma, BC pills, pregnancy, obesity, and transatlantic flight
Is DVT asymptomatic or symptomatic?
May be asymptomatic