Additional CNS Disorders: infection, hydrocephalus Flashcards

1
Q

what is hydrocephalus

A

abnormal buildup of CSF in the ventricles = ventricular enlargement = excessive pressure on surrounding brain tissue

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

who is hydrocephalus commonly seen in

A

infants and older adults

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

communicating hydrocephalus

A

CSF flow disrupted after leaving ventricles (back up of CSF)

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

non-communicating hydrocephalus

A

CSF flow blocked along one or more of the narrow passages connecting the ventricles (blockage of CSF)

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

normal pressure hydrocephalus

A

idiopathic or result of bleeding in the brains CSF, head trauma, infxn, tumor, or complication of surgery

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

clinical triad of symptoms for normal pressure hydrocephalus

A

altered mental status - mild dementia
gait disturbance - shuffling, magnetic gait
urinary incontinence - appears later

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

dx for hydrocephalus

A

neuro exam
MRI/CT
lumbar puncture
ICP monitoring

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

medical management for hydrocephalus

A

monitoring
shunt placement
endoscopic third ventriculostomy

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

SxS of shunt dysfunction for hydrocephalus

A

HA, diplopia, photosensitivity, N/V, neck/shoulder soreness, seizures, redness or tenderness along shunt tract, low grade fever, excessive sleep, reoccurrence of hydrocephalus symptoms

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

prognosis of hydrocephalus

A

can be fatal if left untreated
life expectancy = normal if caught and treated

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

brain abscess

A

pus filled swelling in brain

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

symptoms for brain abscess

A

HA, AMS, focal weakness, seizures, visual disturbances
fever, chills, neck stiffness

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

encephalitis

A

inflammation of brain tissue cause by viral infxn

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

what does the exam look for with encephalitis

A

sores around lips, genitals, mosquito bites, ticks

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

typical symptoms for encephalitis

A

flu like SxS last 2-3 weeks
fever, fatigue, sore throat, vomiting, HA

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

what other severe symptoms can you see with encephalitis

A

seizures, muscle weakness, paralysis, memory loss, sudden impaired judgement, poor responsiveness

17
Q

prognosis for encephalitis

A

mild will fully recover
severe = damage to nervous system

can be life threatening without dx

18
Q

untreated herpes encephalitis will result in what

A

50-75% of people will die within 18 months

19
Q

meningitis

A

inflammation of meninges in brain or spinal cord

20
Q

cause of meningitis

A

bacterial, viral, fungal, parasitic, amebic
injury, CA, drugs

21
Q

hallmark signs of meningitis

A

HA, fever, neck stiffness

22
Q

other symptoms of meningitis

A

N/V, confusion, seizures, sleepy, sensitivity to light, lack of interest in drinking/eating, skin rash

23
Q

prevention of meningitis

A

childhood vaccine, hygiene

24
Q

treatment of meningitis

A

antibiotis
antifungals
steroids

25
Q

kernigs sign

A

meningitis

pt supine, hip flexed 90 deg, knee cant fully extend

26
Q

brudzinski’s sign

A

meningitis
neck rigidity
passive flexion of neck causes flexion or both legs/hipd

27
Q

general treatment guidelines for CNS infxn

A

may not need
symptoms management
initiate once medial POC is established