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NeuroMedical-Surgical Nursing-7th edition

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Page 15
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_______ herniation is the only one that results in bilateral pupil constriction.
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Infratentorial
A type of herniation where the brain stem goes down thru the foramen magnum and compresses the spinal cord...
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Infratentorial
Once pupillary dilation occurs, the damage is _______.
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permanent
A type of herniation where part of the temporal lobe dips down into the tentorial notch. Compresses the 3rd cranial nerve.
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Uncal
A type of herniation where the cerebrum is forced thru the center of tentorial notch...
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Central
In an infratentorial herniation, the _______ stops working, leaving the _______ to cause pinpoint pupils.
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SNS gets compressed leaving only the PNS functioning.
What are signs and symptoms of an infratentorial herniation?
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Pinpoint pupils (PNS), bilateral; coma; and change in respirations.
A type of herniation that results in a midline shift of a cerebral hemisphere to the opposite side...
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Cingulate
Which cerebral herniation is the most common?
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Uncal
In people with a central herniation, you would expect to see _______ very quickly.
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Decreased level of consciousness
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Dilation of the pupil on the side of the injury is called...
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Ipsilateral Pupillary Dilation
If CPP is _______, this is called hypoperfusion. This increases the risk for ischemia and cerebral death.
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40-60 mmHg
The extent of the disability from ICP is measured by...
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recovery of consciousness, residual cognitive function, social/psychological function, vocational function.
If CPP is less than _______, the brain has undergone irreversible ischemia and nothing can be done.
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40 mmHg
When does ICP typically rise in stroke patients?
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48-72 hours after the stroke.
A _______ can identify the extent of a brain injury.
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CAT scan
What is normal CPP?
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60-100 mmHg
If a person has ICP for any reason, you should never treat their _______.
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blood pressure
What is the pathology of a herniated disk?
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The injury; tear; protrusion; nerve root compression; signs and symptoms.
UMN or LMN? No fasciculations
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UMN
Destruction of UMN = _______ paralysis; Destruction of LMN = _______ paralysis
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UMN = initial paralysis with partial recovery days/weeks later; LMN = permanent paralysis
  
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