Describe the motor and sensory areas of the cerebral cortex that get their blood supply from the MCA, relating to specific MCA stroke signs/symptoms (Sigs 8.1a)
Motor: broca's area--> expressive aphasia, unilateral motor area--> contralateral hemiparesis; sensory: wernicke's--> receptive aphasia, unilateral sensory area
Describe the RACE score and NIH Stroke Score and how they are used for CVA management. (Sigs 8.1a)
RACE is a pre-hospital assessment to assess possible stroke- EMT; NIHSS is more specific- used by physicians to quantify severity of stroke in acute setting
Describe the vascular and neurogenic migraine hypotheses. (Sigs 8.4b)
V: ischemia due to intracranial vasoconstriction-> aura&rebound vasodilation->perivascular nociceptive activation; N: neuronal hyperactivity occipital cortex
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