24: Peripheral Vascular Disease

Question 1

plaque rupture vs plaque erosion in PAD

Answer 1

1. rupture: large lipid core + thin fibrous cap

2. erosion: scant lipids + thick fibrous cap

Question 2

what % of pts with PAD have no leg sx vs atypical sx

Answer 2

1. No leg sx: 40%

2. atypical: 50%

Question 3

how long can skeletal muscle tolerate ischemida

Answer 3

4-6 hr

Question 4

ABI: ankle-brachial index

Answer 4

ratio of highest systolic pressure in each leg to higher systolic pressure at the brachial artery

Question 5

how to take ABI

Answer 5

at DP and PT using Doppler probe

Question 6

cilostazol drug type/function

Answer 6

vasodilator with some anti-platelet activity

Question 7

which pts is cilostazol contraindicated in?

Answer 7

HF

Question 8

standard approach for AAA screening

Answer 8

abdominal duplex US

Question 9

virchow’s triad

Answer 9

1. hypercoagulability
2. change in flow
3. endothelial dysfunction

Question 10

in all pts admitted to the hospital, risk of ___ should be assessed

Answer 10

VTE