CSF Cultures Flashcards
Define subdural taps
Between dura matter and arachnid membrane
Define Ventricular aspiration
Needle goes into one of the ventricles of the brain
Define lumbar puncture
Subarachnoid space in lower back
Define acute meningitis
Fever, stiff neck headache, change in mental status, logic, Increase in segs
Define Chronic Meningitis
Immunocompromised, may or amy not have symptoms of above, vomiting nausea longer duration and usually lymphs
Define aseptic meningitis
usually viral meningitis, not truly aseptic because of virus cause
Define encephalitis
Inflammation of the brain
Define meningoencephalitis
Meningitis and encephalitis
What are the symptoms of meningitis?
Photophobia, 3-7 days after exposure, reduced consciousness, Brudzinski and Kerning signs
What bacteria is most common in neonates?
Beta Streptococcus, S. agalactiae
What bacteria is most common with Children?
H. influenzae (Type B) (S. pneumoniae, and N. meningitis)
What bacteria is most common in Young adults?
N. Meningitis
What bacteria is most common in older adults?
S. Pneumoniae (listeria)
What bacteria is most common in immunocompromised?
Fungal
How are CSF cultures stored?
Room temp, never fridge
What if you have more than 1 ml?
Centrifuge, our off and resuspend
What do you plate and do with a CSF culture?
2 Slides must correlate, CHOC, BLD, and THIO
What additional plates do you set up for brain accesses?
ANA BLD
additional for clustering GPC
Coagulase tube
Additional for lancet GPC
optochin
Additional for GNR
MAC
Additional for GNC
Martin Lewis
What additional testing is needed if you can not find bacteria
Acridine orange, glucose and protein
What are the normal Glucose and Protein for adults?
15-45mg/dl and 60-70%
What is the normal protein for premature?
What is the normal protein for infants?
What are the glucose and protein levels for bacterial meningitis? What cells are present?
> 45 and
What are the glucose and protein levels for viral meningitis? What cells are present?
between 45 and 100m about 50, lymphs
What are the glucose and protein levels for fungal meningitis? What cells are present?
45mg, Lymphs and monos
What are the glucose and protein levels for tubercular meningitis? What cells are present?
45mg, Early neutrophils and late lymphs
What is the most common bacteria for brain accesses?
Normal mouth flora (anaerobe) usually mixed culture
What are the most common bacteria for shunt infections?
Coat neg staph, Skin flora
Define Ventricular aspiration
Needle goes into one of the ventricles of the brain
Define lumbar puncture
Subarachnoid space in lower back
Define acute meningitis
Fever, stiff neck headache, change in mental status, logic, Increase in segs
Define Chronic Meningitis
Immunocompromised, may or amy not have symptoms of above, vomiting nausea longer duration and usually lymphs
Define aseptic meningitis
usually viral meningitis, not truly aseptic because of virus cause
Define encephalitis
Inflammation of the brain
Define meningoencephalitis
Meningitis and encephalitis
What are the symptoms of meningitis?
Photophobia, 3-7 days after exposure, reduced consciousness, Brudzinski and Kerning signs
What bacteria is most common in neonates?
Beta Streptococcus, S. agalactiae
What bacteria is most common with Children?
H. influenzae (Type B) (S. pneumoniae, and N. meningitis)
What bacteria is most common in Young adults?
N. Meningitis
What bacteria is most common in older adults?
S. Pneumoniae (listeria)
What bacteria is most common in immunocompromised?
Fungal
How are CSF cultures stored?
Room temp, never fridge
What if you have more than 1 ml?
Centrifuge, our off and resuspend
What do you plate and do with a CSF culture?
2 Slides must correlate, CHOC, BLD, and THIO
What additional plates do you set up for brain accesses?
ANA BLD
additional for clustering GPC
Coagulase tube
Additional for lancet GPC
optochin
Additional for GNR
MAC
Additional for GNC
Martin Lewis
What additional testing is needed if you can not find bacteria
Acridine orange, glucose and protein
What are the normal Glucose and Protein for adults?
15-45mg/dl and 60-70%
Define subdural taps
Between dura matter and arachnid membrane
What is the normal protein for premature?
What is the normal protein for infants?
What are the glucose and protein levels for bacterial meningitis? What cells are present?
> 45 and
What are the glucose and protein levels for viral meningitis? What cells are present?
between 45 and 100m about 50, lymphs
What are the glucose and protein levels for fungal meningitis? What cells are present?
45mg, Lymphs and monos
What are the glucose and protein levels for tubercular meningitis? What cells are present?
45mg, Early neutrophils and late lymphs
What is the most common bacteria for brain accesses?
Normal mouth flora (anaerobe) usually mixed culture
What are the most common bacteria for shunt infections?
Coat neg staph, Skin flora