Microbiology Flashcards
Staph aureus endocarditis
Flucloxacillin
B-haemolytic strep (group A and B Strep) endocarditis
Amoxicillin + gentamicin
Slow onset endocarditis > Alpha haemolytic (Viridans)
Amoxicillin and low dose gentamicin
Prosthetic valve endocarditis
Vancomycin, gentamicin, rifampicin
Mild-mod pneumonia
amoxicillin (doxycycline)
Severe pneumonia
Co-amoxiclav and clarithromycin
Atypical organisms
Chlamydia, Coxiella burnetti, legionella, mycoplasma
Mild Hospital-acquired pneumonia
Amoxicillin + metronidazole (in case of aspiration)
Severe Hospital-acquired pneumonia
Amoxicillin + gentamicin + metronidazole
Salmonella
Ciprofloxacin (only if systemic infection)
Campylobacter
Erythromycin (only if systemic infection)
Giardia
Metronidazole
Cryptosporidium
Never treat
E.coli
never treat
Intra-abdominal sepsis
Amoxicillin + metronidazole + gentamicin
Bowel flora
coliforms, anaerobes and enterococci
Dangers of gentamicin
damages kidneys
Elderly, in hospital, V&D
Norovirus
Child
Rotavirus
Child with bloody diarrhoea and Haemolytic Uraemic Syndrome
E.coli O157
Chicken, turkery
campylobacter
Symptoms of campylobacter
severe abdo pain and bloody diarrhoea
Poultry (5/6 days)
Salmonella
Beef
E.coli O157
Shigella
person-person spread, nursery school kids
Typhoid
human-human spread
Clostridium perfringens
meat gravy
Staph aureus (food poisoning)
cream cakes
C.diff
elderly person, antibiotics, 4C’s
C.diff non severe
Metronidazole
C.diff severe
Vancomycin