Alterations in Neuro [seizure + LOC] Flashcards

(51 cards)

1
Q

myelination proceeds in ____ direction

A

cephalocaudal direction

head to fingers/toes

newborn reflex is fr lack of myelination

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

cerebral BF is maintained thru…

A

autoregulation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

most important indicator of neuro dysfunction

A

states of consciousness

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

5 types of aletered levels of consciousness

A
1 confusion
2 delirium
3 lethargy
4 stupor
5 coma
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

confusion

A

disoriented to person, place, time

-may still be able to answer simple questions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

delirium

A
  • disoriented
  • fear, irritable, agitated
  • mental or motor excitement
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

lethargy

A
  • profound slumber

- limited speech + movement

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

stupor

A

deep sleep or unresponsiveness

-only aroused by vigorous stimuli

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

coma

A

unconscious

-cannot be aroused

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

altered states of consciousness often follows a predictable sequence

A
1 slight disorentatn
2restlss + irrtbl
3 drowsy
4 non-purposeful response to pain
5 posturing, siezures, fixd pupils
***6*** crushing triad
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

cushing triad of altered states of consciousness

A
  • incr SBP w widened pulse pressure
  • bradycardia
  • irregular respirations
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

early signs of ICP

A
  • headache
  • slow reacting pupils
  • slight change in LOC
  • restlessness
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

early signs of ICP in infants are similar but with…

A
  • bulging fontanelle
  • high pitched cry

nonspecific to infants

  • headache
  • slow reacting pupils
  • slight change in LOC
  • restlessness
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

late signs of ICP

A

-significant change in LOC
-cushing triad
»incr SBP w widened pulse pressure
»bradycardia
»irreg RR

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

altered states of consciousness

treatment

A

AIRWAY> positioningm, intubation, bag-valve mask
BREATH>O2
CIRC> IV fluids, blood products

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

altered states of consciousness

is assessed with..

A

Glasgow Coma Scale
>eye opening
>verbal response
>motor response

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

altered states of consciousness

nursing mgmt

A

provide sensory stimultn
»encourage family to stroke + touch in soothing manner
repeated orientation
»bring familiar toys to bedside

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Seizure Disorders

A

excessive neurons becoming overexcited

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

highest rate of onset of seizures

A

during first 12 months of life

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

possible causes of seizures

A

wide variety; many are unknown

  • brain injury
  • infection
  • electrolyte disturbance
  • toxins
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Status Epilepticus

A

prolonged continuous seuzire lasting longer than 15 min
or
intermittent seizures longer than 15 min w/o full recovery bw each seizure

22
Q

seizures use up a lot of ___ +___

A

glucose + oxygen

23
Q

generalized seizures aka

24
Q

generalized seizures/tonic clonic

manifestations

A

body becomes stiff + rigid

>followed by rhythmic jerking motions

25
childhood absence epilepsy is caused by genetic predispotiion
touch does not interrupt seizures
26
infantile spasms - genetic
abrupt spasms | >involves head nods + jackknife body contractions
27
Phases of Seizure Disorders
Tonic Clonic Postictal
28
Tonic
- unconscious - continuous muscular contraction - sustained stiffness
29
Clonic
- alternating muscular contraction | - relaxation or rhythmic jerking
30
Postictal
decreased LOC
31
NEONATAL SEIZURES | findings
* *subtle** - roving eye mvmt - repetitive blinking - sucking, lip smacking, tongue thrusting - leg pedaling mvmt - swimming mvmt of arms - apnea + tachycardia
32
seizure disorder | maintaining safety
- nothing in mouth - side-lying position - ensure rails have pads - move objects away
33
seizure disorder | ABC's
airway suctioning supplt O2 bolus
34
how to stop seizure
anticonvulsant + tx of cause
35
post-seizure care
monitor postictal period (30 min-2hr) | get glucose + abg levels
36
when starting new antiepileptic drugs, adolescents....
should NOT drive or do anything risky | -avoid ETOH
37
MEDS for seizures
``` benzos [diazepam, lorazepam/ativan] fosphenytoin/cerebryx levetiracetam/keppra phenobarbital valcroic acid/depakote ```
38
benzos [diazepam, lorazepam/ativan]
monitor for >hypotension >tachycardia >resp dprssn *rectal or nasal form for home admin
39
fosphenytoin/cerebryx
monitor for resp dprssn
40
levetiracetam/keppra
monitor gait/coordinatn problems
41
phenobarbital
monitor for excess sedation
42
valcroic acid/depakote
can be given in sprinkle form
43
Seizure Disorder | treatments
- vagal nerve stimulator | - ketogenic diet
44
vagal nerve stimulator
activated vagal nerve after AURA | -to reduce spread of seizure
45
ketogenic diets must cut out
all glucose fr all sources
46
a trial of antiseizure medication withdrawal
attempted after 2 years of no seizures
47
seizure/anti epileptic meds are at risk for..
-depression -anxiety -behavioral problems ADHD
48
seizure education
nonadherence is common (esp w alcohol) safety measures includes no bath, may need helmet, no playing around open flames, medical alert ID *teach parents to focus on what they CAN do
49
Febrile Seizures
usually w temp >39C in first 24 hr of illness
50
SIMPLE Febrile Seizures duration
last less than 15 min | do no recur during the same illness
51
SIMPLE Febrile Seizure | manifestations
- generalized w tonic-clonic mvmt + eye rolling - brief postictal period - not tx w anticonvulsant - give antipyretic + education