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special examinations of nervous system (exam4)
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what is the spinal tap commonly referred to as?
lumbar puncture
where is the needle inserted between for a spinal tap?
between 3rd and 4th or 4th and 5th lumbar vertebrae(2-5)
-needle inserted into the subarachnoid space
why is the needle for a spinal tap inserted into the subarachnoid space?
-below main part of spinal cord->therefore less danger of damage
-cerebrospinal fluid (CSF) has moved through entire CNS
what are the purposes of a spinal tap?
a. remove CSF for diagnostic purposes
b.introduce medication or radiopaque dyes for special examinations
c.relieve intracranial pressure
d. administer anesthesia
what are the 2 ways to check for tumors in brain?
1.ventriculography
2.encephalography
what is ventriculography and what does it involve??
a. x-ray process for localization of verebral tumors
b.involves injection of air into verebral ventricles
what is encephalography and what does it involve?
a.x-ray examination of head
b. follows injection of air into subarachnoid space
what is cerebral angiography?
1. radiopaque media injected into carotid or vertebral arteries
2. x-ray made of vascularization
what is CT scans
computed tomography
what is MRI
magnetic resonance imaging
What is PET scans
positron emission tomography
Author
rcrchick
ID
14632
Card Set
special examinations of nervous system (exam4)
Description
exam4 special examinations of nervous system
Updated
2010-04-15T15:56:55Z
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