STROKE (TACI)

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Refer ischaemic stroke card for other detail.

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BIOLOGICAL BEHAVIOUR
Pathophysiology
This could be caused by internal carotid or middle cerebral artery occlusion.
Involves comprehensive damage to unilateral hemisphere:
i) deficits of focal higher cerebral functions.
AND ii) homonymous visual field defects.
AND iii) unilateral motor/ sensory deficits to at least two of: face, arm, leg.
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MANIFESTATIONS
Motor cortex
Contralateral loss of motor function.
UMN Facial droop, weakness of the arm and leg.
Sensory cortex
Numbness, paraesthesia.
Contralateral side of the body.
Optic radiation
Loss of all vision to the side of the midline opposite the lesion.
If Dominant Hemisphere
Brocas area
Pt knows what want to say but cant get the words out.
Wernickes area
Pt cant comprehend or produce comprehensible speech.
Difficulty with reading and writing.

Non Dominant Hemisphere
Apraxia
Can move arm and leg but not formulate complex movements.
Agnosia
Difficulty recognising or comprehending meaning of different stimuli.
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