Infective Endocarditis

Question 1

Leading causative agents for endocarditis in pediatric patients

Answer 1

1) Viridans strep (α-hemolytic strep) 2) S. aureus

Question 2

~__% of cases of IE are culture negative

Answer 2

6

Question 3

T/F IE: No relationship exists between the infecting organism and the type of congenital defect, duration of illness, or age of child

Answer 3

T

Question 4

IE organism: No underlying heart disease

Answer 4

Staph

Question 5

IE organism: After dental procedures

Answer 5

Viridans strep

Question 6

IE organism: After lower bowel or GU manipulation

Answer 6

Group D enterococci

Question 7

IE organism: IV drug users

Answer 7

P. aeruginosa and S. marsescens

Question 8

IE organism: After open heart surgery

Answer 8

Fungal

Question 9

IE organism: Indwelling central venous catheters

Answer 9

Coagulase-neg staph

Question 10

Initiating lesion for IE

Answer 10

Nonbacterial thrombotic embolus (NBTE)

Question 11

Children at highest risk of adverse outcome after IE

Answer 11

1) Prosthetics 2) Unrepaired CHD including palliative shunts 3) Repaired CHD with prosthetic valves (1st 6m after repair) 4) Repaired CHD with residual defects 5) Valce stenosis or insufficiency after heart transplantation 6) Previous IE