Term
| why is a proton emission tomography benefit over a ct scan and a mri |
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Definition
| it provides info about the function of the brains specifically gluclose and o2 metabolism and the blood flow |
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Term
| what test is used to test drug metabolism and detect areas of metabolic alterations thatoccur in dementia |
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Definition
| positron emission tomography |
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Term
| single photon emission computed tomography |
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Definition
| enables radioisotopes to cross the BBB to study blood flow head truama amniesia |
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Term
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Definition
| noninvasive techinque to measure the magnetic fields in the brain |
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Term
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Definition
| used to id muscle and nerve disorders in the spinal cord |
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Term
| what are 3 things told to the pt who is having an electoencephalogram |
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Definition
avoid cns depressants or stimulants
do notdrink caffien
wash hair the morning of the test and do not use hairspray oils or hair accessories |
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Term
| what does hyperventilation provide to the brain |
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Definition
| erbral constriciton alkalosis to increase sezir activty |
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Term
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Definition
| strobe light to see if the pts seizures are from light senstivities |
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Term
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Definition
| measure electrical signals to the brain to asses sensory problems |
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Term
| auditory evoked potential |
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Definition
| used to asess hearing loss from high frequencies to see if there is any nerve damge or acoustic neruomas |
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Term
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Definition
| used to detect a loss of vision from optic nerve damge |
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Term
| somatosensory evoked potentials |
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Definition
| measure response to the peripheral nerves and can detect nerve or spinal cord damage of degeneration from ms- tiny shocks are delivered to a nerve |
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Term
| when is a lumbar puncture not used |
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Definition
| those with symptoms of ICP because it can release a suddne csf pressure |
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Term
| how is the pt positioned before a puncture |
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Definition
| side laying fetal position |
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Term
| how is the pt positioned before a puncture |
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Definition
| side laying fetal position |
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Term
| is csf is more then 20 pressure what is the significance |
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Definition
| increase icf within the cns |
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Term
| what is the normal color of spinal fluid and what is the significane if it is pink or red/ what if it is yellow? |
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Definition
| normal is clear/ if it is pink or red it could mean there is rbc/ if it is yellow it could mean theres too much billirubin |
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Term
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Definition
| can meanmethemoglobin is present meaning there is a hemorrhage |
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Term
| 0-0.5 lymphocytes in the brans spinal fluid- more then 0.5 means |
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Definition
| this firs tis normal if there is more then 0.5 it could mean that it is a reaction to an infection or tumore, substances |
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Term
| the normal protein for adults spinal fluid is 15-45 if there are more then 500 what could that mean |
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Definition
| bacterial infection guillian barr |
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Term
| if there is less then 15 mg of protein in the spinal fluid what could that mean |
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Definition
| menigismus, hyperthyroisim |
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Term
| the normal gluclose of the spinal fluid is 50-74 what happens if its less then that |
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Definition
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Term
| the normal gluclose of the spinal fluid is 50-74 what happens if its less then that |
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Definition
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