Bacteria Pathogens Flashcards
Staphylococcus epidermis
Most common bacteria that causes blood infections
Colonizes skin
Golden clusters
Slime
Staphylococcus aureus
Most common cause of gram (+) infection
Colonizes skin
Golden cocci clusters
MRSA
Streptococcus pneumonia
Gram (+) diplococci
Colonizes upper respiratory tract
Most common cause of meningitis in adults
Streptococcus pyogenes
Gram (+) chains
Colonizes upper respiratory tract
Hot cellulitis pyro
Enterococcus species
Colonizes the gut
Gram +
Nosocomial transmission at hospital
E. Coli
Most common gram (-) infection
Common cause of UTI
Neg rods
Meningitis
Salmonella
Ill prepared food/water
Pseudomonas aeruginosa
Most common cause of gram (-) infection in immunocompromised people
Love water, wet environment
Blue green. Smells like grapes
Gram(-) resistant
Bacteriodes fragilis
Pleomorphoc gram (-)
Foul odor - anaerobe
Abdominal abscesses
Feces transmission
Clostridium difficile
Gram (+) anaerobe
Most common anaerobe infection
Forms spores that can germinate deep in bowels
Feces transmission
Anaerobe resistance
Most concerned about regarding stewardship
Traponema
Spirochete
Causes syphilis
Mycoplasma
Lack cell wall
Resistant to beta lactam antibiotic
Atypical
Chlamydia
Intracellular parasite
Beta lactam can’t penetrate human cells and reach parasite
Atypical
Cmax/MIC
Concentration dependent killing
Aminoglycosides (gent, tobra, Amik)
Fluoroquinolones ( cipro, levo)
Caution high troughs
AUC/MIC
Macrolides (azithro, clinda)
Ketolides (telithro)
Glycopeptides (Vanco)