ALTERATIONS OF THE NERVOUS SYSTEM CLINICAL MANIFESTATIONS OF A CVA.
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Transcript of ALTERATIONS OF THE NERVOUS SYSTEM CLINICAL MANIFESTATIONS OF A CVA.
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ALTERATIONS OF THE ALTERATIONS OF THE NERVOUS SYSTEMNERVOUS SYSTEMCLINICAL MANIFESTATIONS OF A CVA
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Clinical ManifestationsClinical ManifestationsVary dependent on the cerebral
artery involvedS & S always sudden on onsetFocal and usually one sidedCommonly weakness involving
face & armChanges with the sensesOpposite side of brain affected
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Homonymous Homonymous HemianopsiaHemianopsia
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Cerebrovascular AccidentCerebrovascular AccidentClinical ManifestationsClinical ManifestationsRight Brain – Left Brain Right Brain – Left Brain DamageDamage
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Clinical ManifestationsClinical Manifestations
Motor Function ImpairmentCaused by destruction of motor
neurons in the pyramidal pathway (brain to spinal cord)MobilityRespiratory functionSwallowing and speechGag reflexSelf-care activities
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Clinical ManifestationsClinical Manifestations
AffectDifficulty controlling emotionsExaggerated or unpredictable
emotional responseDepression / feelings regarding
changed body image and loss of function
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Clinical ManifestationsClinical Manifestations
Intellectual FunctionMemory and judgment
Left-brain stroke: cautious in making judgments
Right-brain stroke: impulsive & moves quickly to decisions
Difficulties in learning new skills
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Cerebrovascular AccidentCerebrovascular AccidentClinical ManifestationsClinical Manifestations
Communication
Receptive Aphasia (Wernicke’s area): impaired comprehension of language – spoken & written
Expressive Aphasia (Broca’s area): difficulty in speaking and writing
Dysarthria: poor control of muscles for speech
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Clinical ManifestationsClinical Manifestations
Spatial-Perceptual Alterations 1. Incorrect perception of self & illness2. Neglect syndrome: unaware of the
existence of the affected side 3. Agnosia: Inability to recognize an
object by sight, touch or hearing4. Apraxia: Inability to carry out learned
sequential movements on command
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Clinical ManifestationsClinical Manifestations
Elimination
Most problems occur initially and are temporary
One hemisphere stroke: prognosis is excellent for normal bladder function
Bowel elimination: constipation associated with immobility, weak abdominal muscles, dehydration