Neuro Flashcards
What is being tested in the Glasgow Coma Scale (GCS)?
KNOW THIS!!!!!
- Eye opening (out of 4)
- Motor response (out of 5)
- Verbal response (out of 6)
Increased Intracranial Pressure (ICP)
KNOW THIS!!!!!! (per tutor)
Excess of fluid (blood or CSF) or matter (brain) within the cranium causing pressure buildup due to proportional imbalance
Causes: tumor, infection, head injury, bleeding, CSF leak
Dx: ICP > 15
EARLY Signs & Symptoms of Increased ICP
KNOW THE BOLD!!!!!
- Headache
- irritability
- Visual disturbances
- nausea / vomiting
- pupils unequal or slow
- changes in LOC
- Posture (decerebrate, decorticate, flaccid)
- changes in speech
- seizures
Signs & Symptoms of increased ICP in infants
KNOW THE BOLD!!!!!!
- bulging fontanelles
- high pitched cry
- suture separation
- sunset eyes
- increased head circumference
- abnormal reflexes
- prominent scalp veins
- decreased PO intake
KEY late signs of increased ICP in children
KNOW THIS!!!!!
Cushing’s Triad
- bradycardia
- Irregular respirations
- widened pulse pressure (systolic up & diastolic stays same)
ICP Measurement
Know this
0 - 15 mmHg = NORMAL
- 20 - 40 mmHg = slightly increased
- > 40 mmHg = severely increased
Nursing Considerations for Increased ICP
Position
Respiratory
Elevated temperature
Systems to monitor
Straining activities avoided
Unconscious patient
Rx
Edema management
PRESSURE
Hydrocephalus
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Disturbance in the circulation of CSF that causes increased ICP
- Overproduction of fluid
- Obstruction preventing the normal flow of CSF through the ventricles
- Impaired absorption in the subarachnoid space
What is a reservoir for hydrocephalus?
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Temporary treatment of hydrocephalus in neonates (specifically preemies) who aren’t big enough for a shunt placement
* typically tapped everyday by a physician
- medications to reduce CSF
- shunt
- External Ventricular Drain (EVD) - drainage, position, neuro check
Closed head injury
Forcible collision of the brain & skull
Causes: abuse, MVA, fall
Signs & Symptoms of closed head injury
Minor:
* no loss of consciousness
* vomiting
* headache
* lethargy / confusion
SEVERE:
* increased ICP
* altered mental status
* gait changes
* elevated temperature
* eye changes (retinal hemorrhages, edema, pupils)
Closed head injury nursing considerations
- Q1 neuro checks
- ABCs
- monitor / treat increased ICP
- seizure precautions
- dim / low lights
- monitor drainage
- education
- no sports
A nurse is providing discharge teachign to the family of a child who just had a ventriculoperitoneal shunt placed. Which statements would indicate the parents understand the teaching?
a.) “There is no chance my child will have a seizure even if the shunt is functioning correctly.”
b.) “We should let our doctor know if the child complains of double vision.”
c.) “Our child does not need to be followed by any early-intervention programs, unless a problem develops.”
d.) “We will observe for symptoms of shunt malformation until our child has had the shunt for six months.”
b.) “We should let our doctor know if the child complains of double vision.”
What is Spina Bifida?
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Failure of the neural tube to close during fetal development
* no herniation, no opening, often hidden until later in life
Signs & Symptoms of Spina Bifida
Know this
- hair tuff or dimple above the sacrum
- bowel / bladder dysfunction
- gait abnormalities
- tethered cord
What are the 2 different types of Spina Bifida?
KNOW THIS!!!!! (per tutor)
Meningocele: just fluid protruding from the back; no nerve root or spinal cord involvement
* uncommon to have significant neurologic dysfunction
Myelomingocele: nerve root & spinal involvement protruding from the back; nerve root & spinal involvement
* varying degree of neurological dysfunction
* paralysis below the level of the lesion
- latex allergy risk