MicroMan Flashcards
(25 cards)
Most common causes of meningitis
pneumococcus (strep pneumoniae)
meningococcus (neiserria meningitidis)
Cause of meningitis in > 60’s
listeria
What commonly causes encephalitis
herpes simples
Commonest cause of tonsillitis
GAS
Commonest causes of epiglotittis
h.influenzae
streptococci
Commonest causes of CAP
pneumococcus
h.influenzae
Commonest causes of COPD exacerbation
pneumococcus
h.influenzae
Commonest causes of HAP
pneumococcus
h.influenzae
coliforms
legionella
Commonest causes of native valve endocarditis
acute: s.aureus
subacute: s.viridans, enterococci
Commonest causes of peritonitis/biliary sepsis/intra-abdominal infection
coliforms
anaerobes
enterococci
Commonest causes of female uncomplicated UTI
coliforms
enterococci
Commonest causes of male UTI (no catheter)
coliforms
enterococci
Commonest causes of pyelonephritis/urosepsis
coliforms
p.aeruginosa
enterococci
Commonest causes of cellulitis
s.aureus
b-haemolytic strep (GAS, GBS)
Commonest cause of diabetic foot
s.aureus
Commonest cause of septic arthritis/osteomyelitis
s.aureus
What can sometimes cause spontaneous bacterial peritonitis
Strep pneumonia
Is listeria sensitive to amoxicillin or cephalosporins
amoxicillin
when would ceftriaxone be chosen over penicillin
ease of dosing
high CSF levels maintained
better cover for rare strain that may have borderline sensitivity to penicillin
what details must be to hand before calling microbiology
Main complaint and history Initial assessment and Investigations CRP, WCC, results and trends Renal function, allergy Observations (NEWS, SEPSIS 6, CURB65 etc)
what antibiotic class is used for multi drug resistant infections
carbapenems
what has cover for ESBLs
temocillin
pivmecillinam
meropenem
what are gram -ve coliforms and p.aeruginosa sensitive to
gentamicin
aztreonam (mostly)
what are anaerobes generally sensitive to
metronidazole
