Bacterial Endocarditis

Question 1

Aetiology

Answer 1

staphylococci and streptococci more than 90% of cases
Staph aureus in black children
S viridans follows dental extraction or oropharyngeal surgery
valves damaged by rheumatic fever

Question 2

Clinical features

Answer 2

mostly 7-10 year old affected African Children

• fever anaemia and murmurs
• clubbing, cardiac failure and splenomegaly
• petechiae
• pupura, Roth’s spots absent pulses, haematuria, proteinuria
• osler’s nodes, splinter haemorrhages and Janeway’s lesions

Question 3

Diagnosis

Answer 3

PUO
Patients with rheumatic disease or congenital heart diseases
with fever and anaemia
positive blood cultures

Question 4

Treatment

Answer 4

treat skin sepsis
antibiotic cover during surgery
IVI combination of antibiotics - penicillin and gentamicin for S viridans and cloxacilli and gentamicin or amikacin for S aureus