Gram Negative Flashcards
gram +ve bacteria gram stain
purple
thick peptidoglycan
where are gram +ve bacteria found?
skin
joints
gram -ve bacteria gram stain
pink thin peptidoglycan (two plasma membranes)
where are gram -ve bacteria found?
GI tract
where are anaerobes found?
mouth
gut
‘dirty’ places (abscess, dental infections)
5 kingdoms of living things
fungi plants animals protista bacteria
which of the 5 kingdoms are prokaryotes?
bacteria
examples of gram -ve aerobic rods/ bacilli
E. coli klebsiella shigella proteus salmonella
where are gram -ve aerobic bacilli found?
GI
GU
rusty sputum
pneumococcus
bloody sputum
TB
PE
anchovy paste sputum
amoebic abscess
yellow/green sputum
bacterial infection
black sputum
coalminers
red currant jelly sputum
klebsiella
pink frothy sputum
pulmonary oedema
host factors to consider
age time of year/ season immunosuppression chronic disease epidemiological factors travel hospitalised ventilated vs non-ventilated
most common cause of CAP
strep pneumonia
CAP organisms if asplenic
H. influenza (encapsulated)
pneumococcus
CAP organism associated with steroids dose changes
PCP
gram stain of H. influenza
gram -ve coccobacillus
which is the most dangerous type of H. influenza?
type B (HiB)
why is HiB the most dangerous of all H. influenzas?
penetrates CSF and bloodstream
is there a vaccine for HiB?
yes
