carditis

Question 1

Name the major precipitating cause of endocarditis

Answer 1

Bacteria: (65%) strep species VIRIDANS group

(20%) staph species AUREUS

Question 2

What are the 4 High Risk Conditions to use prophylaxis antibiotics in endocarditis?

Answer 2

1- Prosthetic Heart Valve
2- Prior history of Infective Endocarditis
3- Cardiac valvulopathy in transplanted heart
4- Congenital Heart Defects: unprepared defects, < 6 months post-op from defects repair, repaired defects with residual defects.

Question 3

How have the Infectious Endocarditis AHA Guidelines for Prophylactic treatment changed since the last (1997) guidelines.

Answer 3

They are much stricter. Before, they allowed for moderate to high risk conditions, now it is limited to high risk categories.