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Flashcards in Miscellaneous Bench (CSF) Deck (15)
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1

Which CSF tubes should be sent to micro, hematology and chem lab?

Tube 1: Chemistry (contains skin plug thats ok)
Tube 2: Micro (most sterile)
Tube 3: Hematology (least amount of blood from traumatic stick)

2

Direct smear:
- Haemophilus

pleomorphic gram negative rods so small you can't tell if it is a GNR or cocci

3

Direct smear:
- Neisseria

Gram Neg Diplococci (small)

4

Direct smear:
- Listeria

Big enough to tell that it's a rod

5

Direct smear:
- E. coli

Medium to large gram variable rods

6

Direct smear:
- Staph

*

7

Direct smear:
- Strep

Gram positive cocci or football shaped if strep pneumo

8

Common cause of meningitis in newborns

Group B strep
Listeria
e. coli

9

Common cause of meningitis in young children

Haemophilus
Streppneumo
N. Meningitidis

10

Common cause of meningitis in young adults

N. meningitidis

11

Common cause of meningitis in order adults

S. pnemo
N. meningitidis
Listeria

12

Common cause of meningitis in immunocompromised patients

Any and all
- fungi

13

What condition would likely cause growth of anaerobes in CSF?

Brain abscesses

14

How CSF should be stored during transportation or if they can't be immediately processed?

CSF should NOT BE REFRIGERATED. RT or incubation

15

CSF set up

If you have less 1ml you vortex and resuspend in the supernate; if you have >2 centrifuge for 20 mins.
CHOC, SBA, THIO, and two slides; Not enough fluid? Chocolate and slide