18 Vertebrobasilar Stroke
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- vertebral artery off from subclavian artery
- supply brainstem
Rare Stroke Syndromes
SCA
- Ipsilateral ataxia: won't be able to flip hands back and forth, touch nose
Basilar
- both sides of body, arms, legs, face
- can feel and see world but can't respond
- vegetative: can't process world around. Motor intact
Central Pontine Myelinolysis
Top of Basilar
- Confusions, coma, eye symptoms only
Key Syndromes
AICA
Horner
- from hypothalamus to T1: cross medulla/pons
- might not say miosis but unequal pupils
PICA
- Nucleus Ambiguous unique to PICA
ASA
- bilateral paralysis below lesion, decreased sensation below lesion except for vibration/proprioception
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