Cardiovascular Flashcards
1
Q
PAD is caused by…
A
Systemic atherosclerosis causing stenosis of peripheral arteries.
2
Q
Symptoms of PAD occur when ___% of arteries are occluded
A
75%
3
Q
Causes of PAD in addition to atherosclerosis (4)
A
- Arterial thrombus formation
- Vasospasm
- Collagen vascular disease
- Arterial trauma
4
Q
When do ischemic symptoms occur?
A
- When there is an imbalance between the demand for blood and the lack of supply due to atherosclerosis.
5
Q
What is intermittent claudication?
A
- Reproduceable pain with ambulation relieved with rest
6
Q
Risk factors for PAD development (6)
A
- Diabetes
- Hypertension
- Inactivity
- Dyslipidemia
- Obesity
- Smoking
7
Q
When is ischemic pain a medical emergency?
A
- When the pain is acute and sudden
8
Q
Six Ps
A
- Pallor
- Pulselessness
- Pain
- Poikliothermia
- Paresthesia
- Paralysis
9
Q
Symptoms of PAD (6)
A
- Loss of hair on limb
- Shiny, dry, thin skin
- Muscular atrophy
- Dusky red or pale
- Cool to touch
- Slow to heal ulcerations
10
Q
What should be ordered when PAD is suspected?
A
ABI
11
Q
What is an ABI?
A
- Systolic blood pressure of ankle divided by SBP of arm, measured by doppler
12
Q
Normal ABI range
A
- 1.0-1.4
13
Q
What is a low, but acceptable, ABI?
A
- 0.9- 1.0
14
Q
What ABI is indicative of PAD?
A
- < 0.9
15
Q
ABI < 0.5 is suggestive of what?
A
- Severe PAD