CSF & VS Part 3

Question 1

In meningitis which Layers are mostly involved?

Answer 1

Pia and arachnoid
Both are collectively called lapto meninges

Question 2

Normal composition of CSF

Answer 2

Color:. Clear
Neutrofils:. ×××××××
Lymphocytes: less than 5 per cubic ml
Glucose: 2/3 of the level in plasma ( 66% of plasma glucose level)
Proteins:. Low (0.4g/ L)

Question 3

Pyogenic meningitis?

Answer 3

1. turbid yellow CSF due to pus
2. +++++++++ Neutrofils ( acute inflammation
3. ++ Lymphocytes
4. <50% of plasma ( loww glucose)
5. +++( Alot protein)

Question 4

T.B meningitis

Answer 4

Same features with pyogenic:
Color
Glucose level
Protein lvl

Real difference:
1:. Neutrofils+

2:. V lymphocytes++++++++++

Question 5

Viral meningitis?

Answer 5

1: color clear

Same to TB:
Neutrofils+
Lymphocytes++++++++

Difference from TB:
Glucose goes up (>50% of plasma)
Protein little increase