Anesthesia for vascular surgery

Question 1

Vessel dimensions correlate to the law of ___

Answer 1

Laplace
T = P x r
T- wall tension
P- transmural pressure
r- vessel radius

Question 2

Different AAA sites

Answer 2

supra renal (2nd most common)
para renal
juxtarenal
infrarenal (most common)

Question 3

Which lead monitors of arrhythmias

Answer 3

2

Question 4

which lead for ischemic st changes

Answer 4

v5

Question 5

hemodynamic changes upon clamping

Answer 5

increase bp above (increase afterload, increase myocardial o2 demand, pt can go into chf if at high risk)
decrease bp below
Increase in MAP and SVR