Flashcards in CM LEC - CSF up to CSF Protein Deck (136)
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1
CSF produced by
choroid plexus
2
choroid plexus produces how many percent of CSF
70%
3
where does the 30% CSF come from
plasma filtration
4
provides nutrients to CNS
CSF
5
channel for removal of waste products
CSF
6
mechanical buffer
CSF
7
protects brain and spinal cord from sudden pressure changes
CSF
8
CSF is also called __
fluid under pressure
9
volume regulator
CSF
10
normal CSF volume baby
10-60 ml
11
normal CSF volume adult
140 - 170 ml
12
rate of formation
20 ml CSF/hour
13
gold std for diagnosis of meningitis
CSF analysis
14
3 layers of meninges
dura
arachnoid
pia mater
15
types of inflammation
septic
aseptic
16
type of inflammation
viral, bacterial cause or other infectious agents
septic
17
types of inflammation
due to trauma
aseptic
18
methods of CSF collection
lumbar, cisternal, ventricular puncture
19
methods of CSF collection
w/in 3rd, 4th, 5th lumbar vertebrae
lumbar puncture
spinal puncture
lumbar tap
20
methods of CSF collection
most common
lumbar puncture
spinal puncture
lumbar tap
21
methods of CSF collection
used among infants only
done while baby's fontanelle is open
ventricular puncture
22
methods of CSF collection
at base of the skull, not popular
cisternal
23
too much sx can't be collected unless the pressure is
normal
24
opening pressure for adult
90-180 mm H20
25
opening pressure for young
10 - 100 mm H20
26
2 materials mentioned, used for csf collection
L-shaped adaptor (where needle is attached)
sterile manometer tube (measures pressure)
27
when can doctor aspirate?
when pressure is constant
28
closing pressure
45 -90 mm H20
29
when pressure suddenly drops
subarachnoid blockage
30
