body fluids Flashcards
what are the functions of CSF
- physical support and protection
- controlled supply and removal of nutrients
- intracerebral and extracerebral transport
what is the purpose of spinning down a CSF sample before chemistry tests
to determine hemorrhage ot traumatic tap and presence of microclots
what are the four main markers of CSF
- glucose
- protein
- lactate
- glutamine
what is the significance of decreased CSF glucose
- indicates hypoglycorrhachia caused by; increased metabolism of CNS or other organisms, or a disorder of transport
how is leakage of protein CSF into ear or nose identified
- presence of beta transferring - specific protein to CSF
what proteins are of greatest interest in CSF
albumin and IgG
- albumin made by liver and must cross BBB
- IgG can be produced locally
how is the IgG index significant
- aides in determining demyelinating disease if no presence of albumin
- if increase in IgG and albumin = meningitis
- normal <0.73
define transudate
systemic disorders that disrupt filtration and reaboprtion or both of fluids
define exudate
inflammatory process that results in damage on site
what is the collection of pleural fluid called
thoracentesis
where is pleural fluid found
lungs
where is peritoneal fluid
abdomen
where is paracardial fluid
heart
what fluids make up the serous fluids
pleural, pericardial, peritoneal
what is another name for peritoneal fluid
ascitic fluid