Body Fluids Flashcards
What do the Lemellar body count, Phosphatidylglycerol (PG), and Lecithin-to-sphingomyelin ratio (L/S) tell us?
Evaluates amniotic fluid for fetal lung maturity.
Normal L/S ratio and ratio is fetal lung immaturity is implicated?
Normal: > or equal to 2
Fetal lung immaturity: < 2
What does ΔA450 tell us?
Amniotic fluid analysis determination for bilirubin to evaluate hemolytic disease of the newborn.
What does alpha fetoprotein (AFP) screen?
amniotic fluid analysis for neural tube defects/fetal development error
What does Acetylcholinesterase (AChE) used to screen?
Amniotic fluid analysis
Screen for neural tube defects (specific for this)
What is normal color and clarity of CSF?
Colorless and clear
Normal glucose in CSF?
50-80 mg/dl
When would you see elevated lactic acid in CSF?
Bacterial, TB, fungal causes of meningitis
Viral would be low
When would you see low lactic acid in CSF?
Viral meningitis
What could you do with the CSF of a multiple sclerosis person?
Protein electrophoresis of CSF for oligoclonal bands
Are white blood cells seen in CSF?
Yes, normally seen. (lymphocytes and monocytes)
NO RBCS SEEN
You would see this type of cell be increased in the CSF of someone who has MS.
Plasma cells
What is serous fluid?
Fluid that is the ultrafiltrate of plasma –> pleural, pericardial, peritoneal cavities
Serous Fluids
What is a transudate?
From systemic disease which is non-inflammatory.
Associated with congestive heart failure, hepatic cirrhosis, and nephrotic syndrome.
Serous Fluids
What is a exudate?
From inflammatory processes that increase permeability of the capillary endothelium in the parietal membrane.
Associated with infections, tumors, RA, and SLE.