What Is Lateral Medullary Syndrome ?

WHAT IS Lateral Medullary Syndrome ?
Lateral Medullary Syndrome - Wallenberg's Syndrome
Acute continuous vertigo due to Posterior Circulation Stroke (usually Posterior Inferior Cerebellar Artery occlusion)
Clinical Findings:
• Nausea/vomiting/vertigo/nystagmus - Vestibular nucleus (CN 8)
• Ageusia - Solitary nucleus/tract
• Ipsilateral ataxia - Inferior cerebellar peduncle
• Ipsilateral facial numbness - Trigeminal nucleus (CN 5) / tract
• Ipsilateral Horner's Syndrome - Sympathetic pathway
• Contralateral loss of pain/temperature - Spinothalamic tract
• Palatal myoclonus - Central tegmental tract
• Hoarseness/dysphagia - Nucleus ambiguus (CN 9, 10)
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