microbiology Flashcards
asymptomatic female needing STI svcreen, what is first line?
vulvovaginal swab
if they were symptomatic you may want to view the cervix so would do speculum exam and take endocervical swab
what serotypes of chlamydia are associated with lymphogranuloma in men that shag men?
serotypes L1, L2, L3
what serotypes of chlamydia are associated with trachoma eye infection
A, B, C
is gardnerella an anaerobe or aerobe?
anaerobe
so needs treatment with metronidazole
what is a clue cell
a vaginal epithelial cell with a fuzzy bit which is the bacteria
“tap of pus”
gonorrhoea
why is IM ceftriaxone used for gonorrhoea instead of oral cefixime
less treatment failure
remember to use azithromycin as well to cover the ceftraixone resistance and to treat concurrent chlamydia
why do give one off dose of azithromycin for chlamydia/
it has a long half life
if someone with an STI wont tell their partner, what can the STI clinic do?
they cant contact partner anonymously to offer treatment
after having treatment for chlamydia, how long is it until you can have sex again
you should wait a week before having sex again
is a test of cure done for chlamydia?
no, just for gonorrhoea
how do you test for herpes
take a swab of the blister ( use a red coloured swab for most viruses)
do neutrophils have bother phagocytosing gonorrhoea?
no
what type of antibiotic is cefixime
cephalosporin
how do you treat SEVERE community acquired pneumonia
co- amoxiclav and clarithromycin
what is diagnostic of septic shcok
a low blood pressure that does not come back up with Iv fluids
how often is gentamicin given in a day
usually once
how is gentamicin mainly excreted
by the kidneys
is dizzieness a side effect of gentamicin
yes
what type of meningitis is associated with consumption of soft cheese and pate. it can also cross the placenta and cause neonatal sepsis
listeria
does ceftriaxone have a longer half life than penicillin?
yes- this is why it is used to treat bacterial meningitis
what types of things does metronidazole treat?
anaerobes and protozoa
gram positive diplococcus
pneumococcus
what type of meningitis are young adults ( uni entrants) at risk of?
meningococcal