Chapter 8 Pt 1 Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

neurocognitive disorders comprise a group of conditions defined by what

A

decline from a previous level of cognitive functioning

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

what are the six cognitive domains that may be affected

A
Complex Attention
Executive Function
Learning and Memory
Language
Perceptual-motor skills
social cognition (interaction
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

the DSM-V decides neurocognitive disorders into what 3 main categories

A

delirium
mild NCDs
Major NCDs

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

delirium is considered a medical what

A

EMERGENCY

may be the only early manifestation of a serious illness

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

what is the ICU triad

A

delirium
pain
agitation

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

delirium is REVERSIBLE but it can potentially advance to what

A

Coma
seizures
death

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

delirium is associated with what kind of mortality

A

HIGH

up to 40% of individuals die within one year of diagnosis

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

as many as what percent of medically admitted patients develop delirium

A

50%

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

what are some alternative terms for delirium

A
toxic or metabolic encephalopathy
acute organic brain syndrome
acute confusional state
acute toxic psychosis
ICU psychosis
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

what are common causes od medication induced delirium

A
TCAs
Anticholinergics
Benzos
Nonbenzo hypnotics (Z drugs)
cotricosteroids
H2 blockers
Meperidine
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

what are some risk factors for delirium

A
poly pharmacy, including the use of psychotropic medications (especially benzos and anticholinergic)
advanced age
preexisting cognitive impairment or depression
prior history of delirium
alcohol use
severe or terminal illness
multiple medical comorbidities
impaired mobility
hearing or vision impairment
malnutrition
male gender
pain
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

the DSM-5 recognizes what 5 broad categories of delirium

A
substance intoxication delirium
substance withdrawal delirium
medication-induced delirium
delirium due to another medical condition
delirium due to multiple etiologies
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

what are the clinical manifestations of delirium

A

primarily disorder of ATTENTION and AWARENESS (i.e. ORIENTATION)
cognitive defects DEVELOP ACUTELY over hours to days
symptoms FLUCTUATE throughout the course of the day, typically WORSENING AT NIGHT
deficits in RECENT MEMORY, language abnormalities, or perceptual disturbances (usually VISUAL illusions or hallucinations)
circadian rhythm disruption and emotional symptoms

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

what are the three types of delirium based on psychomotor activity

A
mixed type (most common)
hypoactive ("quiet") type
hater active ("ICU psychosis") type
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

what is seen in the mixed type of delirium

A

MOST COMMON

psychomotor activity may remain stable at baseline or fluctuate rapidly between hyperactivity and hypoactiviity

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

what is seen in the hypoactive “quite” type of delirium

A

decreased psychomotor activity, ranging form drowsiness to lethargy to stupor

more likely to go UNDETECTED
more common in elderly

17
Q

what is seen in hyperactive “icu psychosis” type of delirium

A

manifests with AGITATION, mood lability, and uncooperativeness
less common, more easily identifiable due to its disruptiveness

more common in DRUG WITHDRAWAL or TOXICITY

18
Q

how does delirium present on EEG

A

DIFFUSE BACKGROUND SLOWING

exception is DELIRIUM TREMENS which is associated with FAST ACTIVITY

19
Q

EEG lacks sensitivity and specificity for delirium diagnosis but is useful for what

A

ruling out non-convulsive seizures

20
Q

delirium + hemiparesis or other focal neurological signs and symptoms is likely due to what

A

CVA or MASS LESION

head CT/Brain MRI is diagnostic testing

21
Q

delirium + elevated blood pressure + papilledema is likely due to what

A

Hypertensive Encephalopathy

head CT/Brain MRI is diagnostic testing

22
Q

delirium + dilated pupils + tachycardia is likely due to what

A

drug intoxication

UDS is diagnostic test of choice

23
Q

delirium + fever + nuchal rigidity + photophobia is likely due to what

A

MENINGITIS

LP is diagnostic test

24
Q

delirium + tachacardia + tremor + thyromegaly is likely due to what

A

thyrotoxicosis

Free T3, T3, and TSH are diagnostic tests

25
Q

what are the most common precipitants of delirium in children

A

febrile illness

medications

26
Q

complete recovery from delirium typically occurs when

A

in most hospitalized patients about 1 WEEK

some cognitive deficits can persist for months or even remain indefinitely