Aortic Valve

Question 1

culprit of bio-prosthetic endocarditis based on timing

Answer 1

Within 2 months:
1) Staph aureus
2) coag neg staph
3) GNR

After 2 months:
1)Strept
2) Staph aureus
3) coag neg staph

Question 2

Indications for intervention on AR

Answer 2

Symptomatic

—— or ——

Asymptomatic plus:
1) LVEF < 50%
2) LVEDD > 50mm

Question 3

What aortic valve pathology is highest risk for rupture

Answer 3

eccentric calcification on bicuspid valve

Question 4

What is the most common mechanism of death following ross?

Answer 4

RCA infarct/ ischemia ( watch out for tiny acute marginal)