CV pre-op

Question 1

list several clear liquids

Answer 1

black coffee, black tea, clear broth, clear juice, pedialyte, Popsicles

Question 2

how long after clear liquids before surgery can occur?

Answer 2

2-3 hours

Question 3

what heart process requires the most myocardial O2 consumption

Answer 3

contractility

Question 4

what is the most important factor in maintaining myocardial balance of O2 supply/demand?

Answer 4

HR

Question 5

per Goldman’s what has the highest points on phsical exam?

Answer 5

JVD or S3 Gallop = 11 points

these are signs of CHF.

Question 6

what Ejection Fraction has minimum mortality rate

Answer 6

> 55

Question 7

high risk category: endocarditis prophylaxis recommended

Answer 7

Prosthetic cardiac valves

Previous bacterial endocarditis

Complex cyanotic congenital heart disease (e.g. single ventricle states, transposition of the great arteries, tetralogy of Fallot)

Surgically constructed systemic-pulmonary shunts or conduits

Question 8

what is the AHA recommendation for endocarditis prophylaxis?

Answer 8

(for adults)  A single dose of:
clindamycin 600 mg, 
azithromycin 500 mg
clarithromycin 500 mg
cephalexin 2 g 
 cefadroxil 2 g