Infectious Disease General Flashcards
Common GP Organisms
Staphylococcus
Aureus
Haemolyticus
Epidermidis
Hominis
Staph Cocci grow in what?
clusters
Common GP Organisms
Streptococcus
alpha-hemolytic
Pneumonia
Common GP Organisms
Streptococcus
Alpha-hemolytic/Viridans group
Mutans
mitis
sanguinis
salivarius
constellatus
Common GP Organisms
Streptococcus (Group A)
Pyogenes
Common GP Organisms
Streptococcus (group B)
agalactiae
Common GP Organisms
Streptococcus (group C)
Equi
Common GP Organisms
Streptococcus (group G)
bovis
equinus
Streptococcus cocci grow in what?
pairs or chains
Common GP Organisms
Enterococcus
Faecium
faecalis
Enterococcus cocci grow in?
pairs or chains
Common GP Organisms
GP Rods
Bacillus anthracis
Listeria monocytogenes
Clostridium spss.
Corynebacterium diphtheriae
Common GP Organisms
GP Rods: Clostridium spss include?
botulinum
perfringens
tetani
difficile
Common GN Pathogens & Environmental Source
Part of human GI flora
Escherichia coli
Klebsiella Pneumonia
Proteus mirabilis
Enterobacter spss.
Citrobacter freundii
Common GN Pathogens & Environmental Source
Poultry, cattle, Sheep & GI flora
Salmonella spss.
Common GN Pathogens & Environmental Source
Stagnant water & soil
Legionella pneumophilia
Common GN Pathogens & Environmental Source
Ubiquitous - soil, water, surfaces
Pseudomonas aeruginosa
Common GN Pathogens & Environmental Source
Inside Human Cells
Chlamydia spss.
Common GN Pathogens & Environmental Source
Obligate intra-cellular parasites
Rickettsia spss.
Common GN Pathogens & Environmental Source
Non-human mammals
Ehrlichia chaffeenis
Additional GN Organisms
Anaerobes are what and produce what?
Facultative vs Obligate
Generally produce beta-lactamases; only sensitive to specific abx
Additional Organisms
Anaerobes - Obligates
Bacteroides fragilis (GN)
Clostridiodes spss. (GP)
Peptostreptococcus (GP)
Prevotella (GN)
Additional GN Organisms
Anaerobes Facultative
Enterobacteracia
Additional GN Organisms
Anaerobes - usually found where?
Abscesses, loculated fluid collection
Susceptibility Reporting
S =
I =
R =
SDD =
Sensitive
Intermediate
Resistant
Susceptible, dose dependent
Susceptibility Reporting
MIC =?
Determines what?
Minimum Inhibitory Concentration
Determines the bacteria’s ability to grow at varying concentrations of abx
MIC 50 =?
Concentration required to inhibit growth of 50% of organisms
MIC 90 =?
Concentration required to inhibit growth of 90% of organisms