Stroke Sheet

Dysphagia, hoarseness, sagging palate

CN X

Rostral Medial Pontine Syndrome Paramedian branches from basilar

Ipsilateral: Ataxia (CNT) Nystagmus (CNT) INO (CNT) Palatal myoclonus (Deviations to L on protrusion) Contralateral: Lower facial paralysis (CNT) Sagging palate (CNT) UMN Tongue weakness (CNT)

Medial Medullary Syndrome (Dejerine's Syndrome) Anterior Spinal Artery

LMN tongue weakness (Deviates to R on protrusion)

Locked in Syndrome Pontine Hemorrhage

No sensory loss if lesion spares tegmentum Bilateral CN V and VI palsies Palsies of CN VII, IX-XII Ataxia

Lateral Medullary Syndrome (Wallenberg Syndrome) Vertebral A >> Posterior Inferior Cerebellar A

Pain, thermal sense, and crude touch Ipsilateral: Ataxia (ICP) Horner syndrome (hypothalamalospinal) Dizziness, nausea (Vest. nucleus) Loss of taste (Solitary nucleus) Dysphagia, hoarseness, sagging palate (CNX) Hiccups Contralateral: Nystagmus (Vest nuc)

Nystagmus

Vestibular nuclei

Dizziness and Nausea

Vestibular nucleus

Medial and Lateral Medullary Syndrome

Disc touch, proprioception, and vibratory sense

Horner syndrome

Hypothalamalospinal

Ataxia

ICP

Thalamic Infarct Branches from PCA: Thalamoperforating and Thalamogeniculate

Pure sensory stroke

Loss of taste

Solitary nucleus