Micro Flashcards
Returning traveller
Wattery stools, Abdo cramps, nausea
E. Coli
profuse watery diarrhoea
sev dehydration -> weight loss
Cholera
Food poisoning after chinese/rice dinner
Baccilus cereus
foul smelling non-bloody diarrhoea and cramping shortly (<72hrs) after eating chicken/BBQ)
campylobacter
bloody diarhoea
Vom + abdo pain
<72hr after eating chicken
shigella
prolonged non bloody diarrhoea - >72hrs after eating undercooked food
giardiasis
Nurse develops diarrhoea - patients on ward have been ill recently with similar sympto
Norovirus
outbreak of diarrhoea on cruise ship
norovirus
profuse watery diarrhoea after antibiotics
c.diff
gradual onset bloody diarrhoea with abdo pain and tenderness
lasts several weeks
amoebiasis
Tx of choice for Listeria meningitis
Amox/ampicillin + gentamicin
Tx for mild CAP caused by H influenza B
Amox
IV Abx for strep throat (group A strep pharyngitis)
IV benzylpenicillin
+ IV metronidazole if severe
IV Abx for cellulitis with MRSA
Vancomycin
Abx for cellulitis with MSSA
Fluclox
Tx for 3mo or younger with suspected bac meningitis
IV cefotaxime +amox/ampicillin
Tx for 3mo or older with suspected meningitis
IV ceftriaxone
Tx for meningococcal meningitis (neisseria Men)
IV benzylpenicillin
OR ceftriaxone if in hospital
Tx for pneumococcal meningitis
IV Ceftriaxone
Stiff neck, acting strangely,
Lumbar CSF = high lympho, raised prot, normal glucose
Viral meningitis
Herpes -> herpes encephalitis
Gram -ve diplococci causing meningitis in younger
Neisseria meningitis
middle aged smoker
G +ve diplococci causing meningitis
strep pneumonia
G -ve rod causing sepsis in neonate
E coli
G +ve rod causing meningitis in older
Listeria monocytogenes
what transmits malaria
female anopheles mosquitos
what transmits leischmaniasis
sandfly
what transmits trypanosoma brucei rhodesiense
tsetse fly
what transmits yellow fever
Aedes
Tx for MRSA
Vancomycin
most common cause of hospital acq pneumonia
Staph A
most common cause of comm acq pneumonia
Strep. pneumonia
post common cause of PUO in returning traveler
Malaria
infectious cause of sepsis in newborns
Group B strep
inf org that causes meningitis in >3mo new born
neisseria men
Tx for non falciparum malaria
chloroquine
primaquine
tx for mild and severe falciparum malaria
mild = quinine OR co-artum OR malorone Severe = IV attensuate OR IV quinine
22 with cough and rust coloured sputum
strep pneu
40yr old, returned from abroad with dry cough malaise and hyponat
legionella pneu
60 yr old alcoholic, upper lobe caveating pneumonia
klebsiella pneumonia
15 yr old, dry cough, myalgia, fever, headache, CXR normal, kids at school had similar sympto
mycoplasma pneumonia
22 yr old - neutropenia post chemo, ongoing fever unresponsive to antibiotics/antivirals, interstitial CT changes, CXR = halo sign
aspergillus fumigatus
70 yr old admitted for UTI and confusion, develops pneumonia in hospital
enterobac
pneumonia with cough and haemoptysis, G -ve cocci
haemophillus influenza
21 yr old foreign, fever with cough and weight loss, CXR = RUZ shadowing
mycobacterium TB
IVDU - desaturates on exercise, pneumonia
pneomocytis jirovecii
Tx for listeria men
Amox
Tx for mild CAP
amox
Tx for severe HAP
tazocin
Abx of choice for young woman with cystitis caused by E coli
trimephoprim
Tx for cellulitis with MRSA
Vancomycin
Tx for cellulitis with MSSA
fluclox
Tx for strep pharyngitis
penicillin V
meningitis in HIV + pt
Crytococcus neoformans
inc in opening pressure on lumbar puncture
india ink stain + ve
cryptococcus neoformans
meningitis in old, G+ve bacilli
L monocytogenes
meningitis in man with G+ diplo
Strep pneu
meningitis in neonate - LP = G- rods
E coli
meningitis in young guy, g- diplo
n meningitis
Tx for mild pseudomembranous colitis
metronidazole
Tx for sever pseudomambranous colitis
Vancomycin
pneumonia in poorly controlled diabetics + alcoholics
klebsiella
fever in returning traveller, cough, malaise, comstipation, G -ve rod, rose spots
S Thyphi
G +ve cocci arranged in clusters
Staph A
returning traveller, raised, scaly erythematous lesion,
cultured on Novy-Macneal-Nicolle medium
leishmania major