Neurocognitive Disorders Flashcards

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1
Q

Delirium

A

-↓ ability to focus,
-Change in cognition of perceptual
-Disturbance caused by a medical condition or developed
during intoxication / withdrawal

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2
Q

Delirium Risk Factors

A

 ↑ severity of physical illness
 Prescription medications
 Recovery from hip fractures
 AIDS
 Terminal cancer

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3
Q

Incidence and Prevalence of delirium

A

 Often untreated / overlooked
 1% adults aged 55 and older
 10% emergency dept patients
 80% critical care patients
 80% patients in end of life care
 60% in nursing homes or post acute care settings

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4
Q

Signs and Symptoms of delirium

A

-Prodromal; restlessness, anxiety, sleep disturbance, & irritability
 Altered arousal and disturbance of the sleep-wake cycle
 Illusions, delusions, or hallucinations
 Emotional lability
 Decreased attention, impaired memory, or disorientation to
time, place, or person
Constructional apraxia
 Dysgraphia
 Motor abnormalities
 Muscle spasms
 Dysnomic aphasia
 Reflex / tone changes

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5
Q

Orientation in dementia

A

-x1 means orientated to person
-x2 is orientated to person and place
-x3 is orientated to person, place and, time
-x4 is oriented to person, place, time, and situation

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6
Q

Three Sub-types of Delirium:

A

(1) Hyperactive-agitation, restlessness, and excessive emotional reactivity or emotional lability
(2) Hypoactive- somnolence, withdrawal, decreased responsiveness, and apathy
(3) Mixed-symptoms of both hyperactive and hypoactive delirium within the same day

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7
Q

Course and Prognosis of delirium

A

 Rapid onset
 Most meet criteria within 48 hrs of symptoms
 Course fluctuates; days or hours
 Symptoms generally worsen at night (sundowning)
 < 1 week duration
 Symptoms will persist if causing condition is present
 Condition treated: 3-7 days symptoms recede

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8
Q

Dementia and Alzheimer’s Disease

A

Dementia is a general term for a decline in mental ability severe enough to
interfere with daily life.
* Alzheimer’s is the most common cause of dementia

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9
Q

Alzheimer’s Disease

A

 Cognitive impairment
 Cause is poorly understood
 There is no perfect biological marker that is diagnostic, made after ruling out
alternate disorders
 Cortical atrophy, widened sulci, and ventricular enlargement often
observed in MRIs
 “Shrinking Brain”

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10
Q

Alzheimer’s Disease Neuropathological Degeneration

A
  • neurofibrillary tangles / beta-
    amyloid plaques shrink brain structure
    -Plaques collect outside and around the neurons; neuronal death
    -Neurofibrillary tangles; contaminated tau protein
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11
Q

Types

A

-Early onset: Before age 65 (Less than 5% of AD is early onset, and this
form of the disease is often inherited)
-Late onset: At or after age 65

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12
Q

Alzheimer’s Disease Risk Factors:

A

-Down’s syndrome
-Neurotransmitter abnormalities
-Risk for developing cardiovascular disease

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13
Q

Alzheimer’s Disease: Incidence and Prevalence

A

 ~ 5.3 million Americans
 ~ 200,000 individuals < age 65
 By 2050 18 million Americans with NCD
 14 million NCD due to AD
 Higher incidence in women

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14
Q

Mild Stage of AD

A

difficulty performing tasks and make mistakes along the way. Short term and long term memory will start to decline. The patient may have paraphasia, anomia, and circumlocution. The patient may also have some emotional disturbance.

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15
Q

Moderate Stage of AD

A

trouble maintaining attention to tasks, becoming more sensitive, losing the ability to problem solve and the memory continues to decline. Language becomes non fluent, may feel lost in the surroundings, and lose awareness of social standards.

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16
Q

Severe Stage of AD

A

attention span of seconds and will only respond to stimuli of pain, hunger, and fear. The want to do better in occupations is lost and language is down to only a few words. The patient would become bed bound, acquire dysphagia, agnosia, muscle spasms, and become incontinent.

17
Q

Agnosia
Agrammatica
Analgesic

A

-Inability to process sensory info
-Difficulty with using basic grammar
-drug to reduce pain

18
Q

Anomia
Aphasia
Apraxia

A

-Inability to name objects.
-Difficulty with expressive and/or receptive language.
-Loss of skilled purposeful movemen

19
Q

Asterixis
Anxiolytics
Circumlocution

A

-muscles relax during use
-medications used to treat anxiety
- nonverbal communication

20
Q

Computerized tomography
Disinhibition
Dysnomic aphasia

A

-(CT) is a noninvasive imaging procedure that uses X-ray techniques to create detailed images of the body
- lack of inhibitory control
-Difficulty naming objects

21
Q

Dysgraphia
Dysphagia
Hyperreflexia

A

-Inability to write
-Difficulty in swallowing
- increased or overactive reflex response in muscle

22
Q

Lability
Logopenic
Paraphasia

A

-rapidly shifting or changing emotions
-Rapidly shifting or changing emotions
and repetition of phrases and sentences
-person hears and comprehends words but is unable to speak correctly.

23
Q

Paratonia
Personal episodic memory
Procedural memory

A

-Involuntary resistance to passive movement of the extremities
-Recall of timerelated information about one’s self,
- memory that aids the performance of particular types of tasks without conscious awareness of these previous experiences

24
Q

Prodromal
Prosopagnosia
Remote memory

A
  • mild cognitive impairment or decline.
    -Inability to recognize faces
  • ability to recall information in different area
25
Q

Semantic memory
Semantic variant speech
Somnolence

A

-long-term memory category involving the recollection of ideas, concepts, and facts general facts
-impaired single word comprehension, poor object and/or person knowledge, errors in reading aloud
-Sleepiness