Autres liquide biologique Flashcards
What do we call if the CFS is pink, yellow or orange?
xanthochromia
What is the normal color of CFS?
colorless
How do we know when the blood from a CFS is from the traumatic tap?
when the level of blood from the 3 tubes decreases
If the blood from the CFS is not from a traumatic tap it is from what?
subarachnoid hemorrhage
Why do we need to examine CFS in under a hour?
to avoid lyses of WBC
How do you read CFS?
cytocentrifuge and read on manuel stained slide
Why can a CFS be cloudy?
presence of bacteria or blood
What can cause presence of WBC in CFS?
meningitis
What % is the CFS glucose level compared to the blood
60%-70%
What happens to the glucose level in the CFS in a bacterial meningitis?
it lowers
Which fungus can cause meningitis?
cryptococcus neoformans
Which kind of WBC you find in bacterial meningitis?
neutrophile
Which kind of WBC you find in viral meningitis?
lymphs
Which kind of WBC you find in fungal meningitis?
lymphs and mono
What is a synovial fluid?
fluid in joints
what is a pleural fluid?
fluid surrounding lungs
what is a peritoneal fluid?
fluid in abdominal cavity
what is a pericardial fluid?
fluid surrounding the heart
what is a effusion?
abnormal accumulation of fluid in the body cavity (between transudate or exudate)
Transudate vs Exudate
- type of process
- color
- clarity
- SP
- protein
- glucose
- clot
- WBC
Transudate vs Exudate
- type of process: noninflamm inflammatory
- color: colorless yellow/brown/red/green
- clarity: clear cloudy
- SP: low high
- protein: low high
- glucose: low high
- clot: No Yes
- WBC: low high
Normal color to synovial fluid
pale yellow to colorless
What can cause present of crystals in synovial fluid?
gout or pseudogout
What can cause the yellow-green color in synovial fluid?
bacteria infection (most common S. aureus and N. gonorrhoeae)
What can cause a milky synovial fluid?
present of crystals
What inflammatory disorder can cause abnormal synovial fluid?
rheumatoid arthritis, lupus erythematosus, gout and pseudogout
Which crystal would you find in a synovial fluid cause by rheumatoid arthritis?
cholesterol
Which crystal would you find in a synovial fluid cause by goutte?
monosodium urate
Which crystal would you find in a synovial fluid cause by pseudogoutte?
calcium pryphosphate
Bilirubine in amniotic fluid means?
Hemolytic disease of the fetus/newborn
which test is to detect neural tube defects in the amniotic fluid?
alpha-fetoprotein (AFP)