systems Flashcards
bugs that cause bloody diarrhea (7)
- campylobacter (c. jejuni)
- EHEC
- EIEC
- Salmonella
- Shigella
- yersinia enterocolitica
- entaemoeba histolytica (protozoa)
bugs that cause watery diarrhea (6)
- c difficile
- c perfringens
- ETEC - traveler’s diarrhea
- vibrio cholera
- viruses (rotavirus, norovirus)
- protozoa (giardia, cryptosporidium)
comma- or S-shaped organism
grows at 42 degrees
causes blood diarrhea
campylobacter
protozoan
amebig dysentry
liver abscess
bloody diarrhea
entaemoeba histolytica
can cause HUS
makes shiga-like oxin
bloody diarrhea
EHEC
invades colonic mucosa
bloody diarrhea
EIEC
lactose negative
flagella
animal reservoir
bloody diarrhea
salmonella
lactose negative
Shiga toxin
bloody diarrhea
Shigaella
day-care outbreaks
pseudoappendicitis
bloody diarrhea
yersinia enterocolitica
pseudomembranous colitis
watery diarrhea, sometimes bloody diarrhea
c. diffficile
gas gangrene
watery diarrhea
c. perfringens
traveler’s diarrhea
heat labile and heat stable toxin
watery diarrhea
ETEC
comma-shaped
rice-water diarrhea
infected seafood
watery diarrhea
vibrio cholera
PNA bugs in neonates
2
- GBS
2. E coli
PNA in children (4wk - 18yr) (5)
- RSV
- mycoplasma
- chlamydia trachomatis
- chlamydia pneumoniae
- strep pneumoniae
Runts May Cough Chunky Sputum
PNA in young adults (3)
- Mycoplasma
- Chlamydia pneumoniae
- strep pneumo
PNA in older adults (5)
- strep pneumo
- h flu
- anaerobes
- viruses
- mycoplasma
PNA in elderly (5)
- strep pnuemo
- influenza virus
- anaerobes
- h flu
- GN rods
PNA in alcoholics and IVDU’s (3)
- strep pneumo
- klebsiella
- staph
PNA in aspiration (1)
anaerobes
atypical PNA (3)
- mycoplasma
- legionalla
- chlamydia
CF PNA (3)
pseudomonas, staph, strep pnemo
PNA in immunocompromised (5)
- staph
- enteric GN rods
- fungi
- viruses
- pneumocystis
nosocomial PNA (3)
- staph
- pseudomonas
- enteric GN rods
postviral PNA (3)
- staph
- h flu
- strep pneumo
Newborn meningitis bugs (3)
- GBS
- E coli
- Listeria
childhood meningitis bugs (4)
- strep pneumo
- meningococcus
- h flu B
- enterovirus
adult meningitis bugs (4)
- strep pnuemo
- meningococcus
- enterovirus
- HSV
elderly meningitis bugs (3)
- strep pneumo
- GN rods
- listeria
treating meningitis
`ctx and vanc + amp if listeria suspected
CSF of fungal meningitis
- opening pressure
- cell type
- protein
- sugar
- elevated pressure
- lots of lymphocytes
- lots of protein
- less sugar
CSF of TB meningitis
- opening pressure
- cell type
- protein
- sugar
- elevated pressure
- lots of lymphocytes
- lots of protein
- less sugar
CSF of bacterial meningitis
- opening pressure
- cell type
- protein
- sugar
- elevated pressure
- lots of PMNs
- lots of protein
- less sugar
CSF of viral meningitis
- opening pressure
- cell type
- protein
- sugar
- normal to increased pressure
- lots of lymphocytes
- normal to elevated protein
- normal sugar
most common osteomyelitis
staph aureus
osteomyelitis in sexually active
septic arthritis
or
neisseria gonorrhoeae
osteomyelitis in DM and IVDU (2)
- pseudomonas
2. serratia
osteomyelitis in sickle cell (1)
salmonella
osteomyelitis in prosthetic joint replacement (2)
- staph aureus
2. staph epidermidis
osteomyelitis w/vertebral involvement (1)
Pott disease *( mycobacterium)
osteomyelitis with cat and dog bites (1)
pasteurella multicodia
UTI lab markers: leukocyte esterase indicates what
bacterial UTI
UTI lab markers: nitrite test + indicates what
GN bacterial UTI
top three UTI bugs
- E coli
- staph saprophyticus
- klebsiella pneumoniae
which UTI bug causes struvite stones and why
Proteus mirabilis b/c it has urease
which UTI bug causes blug-green pigment and fruity odor
pseudomonas