Ch 17 - Cerebrovascular Accident Flashcards

1
Q

Cerebrovascular accident

A

CVA, stroke, inadequate supply of oxygen and nutrients to brain, can occur in cerebral hemispheres, cerebellum, and brainstem which determines loss of function

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2
Q

Ischemic

A

Characterized by blockages

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3
Q

Neural plasticity

A

Brains ability to reroute neural pathways

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4
Q

thrombotic

A

Occurs when a blood clot forms in one of the arteries supplying the brain causing vascular obstruction at the point of formation

*most frequently in blood vessels that have already been damaged by atherosclerosis

NIGHT

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5
Q

Atherosclerosis

A

Gradual degenerative disease of the blood vessel walls, fatty deposits form within arteries and often lead to a thrombus (blood clot)

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6
Q

Lacunar strokes

A

Deep, (dead tissue from lack of blood supply), consistent identified risk factor is hypertension

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7
Q

Embolism

A

A clot that has formed elsewhere (thrombus) breaks off, travels up the bloodstream until it reaches an artery too small to pass through and blocks the artery

DAY

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8
Q

Hemorrhagic stroke

A

Rupture in a blood vessel or an aneurysm with a result of bleeding into or around cerebral tissue

Intracerebral- hematoma, bleeding on brain
Subarachnoid- from aneurysm,

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9
Q

Right hemiplegia

A

Speech vocabulary problems, slow cautious disorganized, right visual field deficit

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10
Q

Left hemiplegia

A

Spatial perception problems, over confident impulsive, left visual field deficit

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11
Q

Other complications of CVA

A

Seizures, infection, thromboembolism, transient ischemic attacks, small strokes, subclavian steal syndrome

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12
Q

Impact on Occupational performance

A

Deficits in sensory, motor, mental, communication, and emotional

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13
Q

Sensory functions

A

Loss of tactile sensation –> lack of awareness of body, skin breakdown, asymmetrical posture, difficulty maintaining balance, appear to forget affected body parts, unable to describe position or movement of limbs

Visual –> difficulty reading, language, scanning, shifting gaze particularly toward the affected side

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14
Q

Agnosia

A

Difficulty in understanding the relationship between objects and between self and objects

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15
Q

Apraxia

A

Reduced motor planning

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16
Q

Abnormal tone

A

Hypotonus, flaccidity
Too little resistance or floppiness
Hypertonus, spasticity
Flexion

17
Q

Mental functions

A

Cognitive functioning

Information processing, attention, comprehension, formation of speech

18
Q

Emotional functions

A

1 affective and mood disorders
2 behavioral and personality changes
3 cognitive and behavioral disintegration
4 perception-identify disorders

19
Q

Aneurysm

A

Rupture in blood cells (Hemorrhagic stroke)

19
Q

Associated reactions

A

Abnormal reflex movements, especially when trying to initiate movement

19
Q

Ataxia

A

Motor deficit, weakness, uncoordinated

19
Q

Dysarthria

A

Problems with articulation of speech

20
Q

Dysphagia

A

Trouble swallowing, drooling

21
Q

Hematoma

A

Mass from swelling

22
Q

Transient ischemic attacks

A

Precede actual infarction about half the time, thrombosis,

23
Q

Thrombolytics tPA

A

Thrombolytic therapy, applied in the acute treatment of myocardial infarction as well as cardiac

24
Q

Small strokes

A

RIND, PRIND (partially)