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43 Cards in this Set

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ischemic stroke:

-decreased CBF (cerebral blood flow)


-can lead to clots



causes:


-clots

-thrombotic (clot in place)


-Embolus- clot which came from somewhere else inbody


-decreased elasticity of artery


-CHF>decreased CO>decreased CBF


-decreased blood volume- drowning


-hypotensive

Hemorrhagic stroke


causes:

HTN


aneurysm


AVN (arterio-venous malformation)

at risk for stroke:

-atherosclerosis- increase cholesterol


-^LDL or hypercholesterolemia (gretar than 240),borderline:130-159 to high:160-189 and very high: 190


-^triglycerides- fasting 150


-decreased HDL: below 40 for males and 50 for females


-increased age


-DM


-HTN


R cva



L hemiplegic, L homonymous hemianopsia, decreased spatial/perceptual tasks, quick and impulsive, overestimate abilities, unawareof deficits, slow down- steps “whole pic”, does not respond to visual-spatial cues especially in cluttered areas.



Spqousvs

L cva:



R hemiplegic, R homonymous hemianopsia, aphasias, aproxias/disorganized, cautious/anxious, hesitant, likes more feedback, realistic of existing problem



Aaadchfr

both

homonymous hemianopsias


emotional abnormalities


cognitive defects

lethargic

-arousal w/stimuli


-falls asleep when not stim


-decreased awarness


-loss of train of thought

stupor (semicoma)

-arousal only w/strong noxious stimulus


-returns to unconscious state when stim stop


-unable to interact w/ clinician

Obtunded

-difficult to arouse


-needs constant stim to maintain consciousness


-confused when awake


-may be unproductive w/ clinician

comatose (coma)

-unarousable


-deep unconsciousness

indirect complications to CVA's

-seizures, B+B dysfunction, pressure ulcer, cardiopul dysfunction, DVT/PE, osteoporosis/fx

synergy patterns


UE: flexion


**strongest component

-scap ret/elevation or hyperex


-shld abd, ER


-elbow flex**


-FA sup


-wrist/finger flexed

UE: extension

-scap prot


-shld add**, IR


-elbow ext


-FA pron**


-wrist/finger flex



LE: flexion

-hip flex**, abd, er


-knee flex


-DF, INV


-toe DF

LE: extension

-hip ext, add**, ir


-knee ext**


-PF**, inv


-toe PF

Common postural deviations


Pelvis:

-assymm WB (more wb on unaffected side)


-fear of wgt shifting to affected side


-PPT>sacral sitting


-in standing>unilateral retraction/elev of affected side

trunk

-flattened L-curve, Increase T-curve, fwd head


-lateral flexion

shld

-unequal height/affected shld depressed


-subluxation of HH, downward scap rot


-a cap instability may be present (winging)

Head/neck

prot


lat flex (rotate away from affected side)

Affected UE

-flex, add, IR, elbow flex, FA pron, wrist/finger flex, limb is non wb



unaffected UE

-stronger UE used for postural support

LE in sitting

affected LE-hip abd, er, w/hip and knee flex (flex synergy pattern)

LE in standing

affected LE- hip/knee ext, add, ir, PF, unequal wb

synergies

functionally linked mvmnts that are constrained by the CNS to act coop. to produce an intended motor action

deteriorating stroke

neurological status cont to decrease after admission to hospital

agnosia

the loss of the ability to recognize objects, faces, voices, or places.

apraxia

An impairment of voluntary learned movement that is characterized by an inability to perform purposeful movements not accounted for by inadequate strength loss of coordination, impaired sensation, attention deficits, or lack of comprehension

associated reactions

An involuntary movement of a body part associated with the resisted movement of another body part.

ipsilateral pushing (pushers syndrome)

active pushing w/stronger extremities twds hemiparetic side w/lat posture imbal

TIA

temp interruption of blood supply to the brain not more than 24 hrs> no damage to brain

dysarthria

often is characterized by slurred or slow speech that can be difficult to understand

ideational apraxia

Inability to perform a purposeful motor act either automatically or on command

ideomotor apraxia

Inability to perform a motor act on command althoughpatient understands the concept of the task and is ableto carry out habitual tasks automatically

ataxia

-the loss of full control of bodily movements


-lack of muscle control during voluntary movements

hemiparesis

weakness of one side

hemiplegia

paralysis of one side

aphasia

loss of ability to understand or express speech, caused by brain damage

non-fluent aphasia

flow of speech is slow and hesitant, vocab limited, speech production is lost but comprehension still intact.

fluent aphasia

the ability to grasp the meaning of spoken words and sentences is impaired, while the ease of producing connected speech is not very affected.

hyperreflexia

overactive or over-responsive reflexes.

motor impersistence

is the inability to maintain postures or positions (such as keeping eyes closed, protruding the tongue, maintaining conjugate gaze steadily in a fixed direction, or making a prolonged “ah” sound) without repeated prompts.

homonymous hemianopsia

is the loss of half of the field of view on the same side in both eyes