Term
|
Definition
| subdural hemorrhage, bacterial meningitis |
|
|
Term
| beta amyloid and tau proteins |
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
| bacterial and viral meningitis |
|
|
Term
|
Definition
| lymphoblastic leukemia, AIDS, meningitis |
|
|
Term
|
Definition
| mild subarachnoid/subdural hemorrhage |
|
|
Term
|
Definition
| MS, tumors (any demyelinating conditions), guillain-barre |
|
|
Term
|
Definition
|
|
Term
|
Definition
| CSF leakage (otorrhea, rhinorrhea) |
|
|
Term
|
Definition
| indicative of MS (indicates de novo IgG production @ sites of demyelination in CSF) |
|
|
Term
| when is persistently high lactate a bad sign? |
|
Definition
| after head trauma. associated with poor prognosis |
|
|
Term
| adenosine deaminase (ADA) |
|
Definition
| >15u/l indicates TB meningitis |
|
|
Term
|
Definition
| elevated in hydrocephalus, cerebral infarction, neoplasia, subarachnoid hemorrhage, head trauma, tumor |
|
|
Term
|
Definition
| increases 6 hours after ischemic or anoxic injury |
|
|
Term
| what is lactate dehydrogenase level useful for? |
|
Definition
| distinguishing traumatic tap from intracranial hemorrhage (will be normal in traumatic tap bc rbc membrane still intact); elevated LD after resucitation following hypoxic brain injury indicates poor prognosis |
|
|
Term
| what is the classical test for endotoxin? |
|
Definition
|
|
Term
| what is the test of choice for spirochetal meningitis? |
|
Definition
|
|
Term
| nonreactive serum FTA-ABS? |
|
Definition
|
|
Term
| reactive serum FTA-ABS with nonreactive CSF FTA-ABS? |
|
Definition
| strongly excludes neurosyphilis |
|
|
Term
|
Definition
| dx of neurosyphilis likely |
|
|
Term
| reactive CSF FTA-ABS test |
|
Definition
| indicates neurosyphilis (but could be false+, which is why VRDL is the test of choice) |
|
|
Term
| what does CSF look like for HIV patients? |
|
Definition
| lymphocytic pleocytosis, elevated IgG indexes, oligoclonal bands |
|
|
Term
| how do we dx fungal meningitis? |
|
Definition
| 1. latex agglutination (twice as sensitive as india ink for crypto) 2. culture for fungus (need large vol of csf) |
|
|
Term
| what do we use acridine orange stain for? |
|
Definition
| to distinguish ameba from leukocytes (primary amebic meningoencephalitis) |
|
|
