Wallenberg syndrome

Lateral medullary syndrome is a neurological disorder causing a range of symptoms due to ischemia in the lateral part of the medulla oblongata in the brainstem. The ischemia is a result of a blockage most commonly in the vertebral artery or the posterior inferior cerebellar artery. [Source: Wikipedia ]

Synonyms
Lateral medullary syndrome
PICA syndrome
Posterior inferior cerebellar artery syndrome
May Cause
Arterial occlusion
Cranial nerve paresis or paralysis
Nystagmus
Lateral medullary syndrome
PICA syndrome
Posterior inferior cerebellar artery syndrome