II. Epidemiology
- Accounts for 1% of Ischemic Strokes
III. Pathophysiology
- Findings are similar to Posterior Circulation findings to either PCA CVA or PICA CVA
- Affects Brainstem, Cerebellum, visual cortex
- Contralateral motor and sensory deficits
- Ipsilateral Cranial Nerve deficit
- Facial weakness or sensory deficit on the same side of the CVA)
- Crossed findings
- Crossed findings may also occur with Posterior Inferior Cerebellar Artery CVA
- Crossed findings include Wallenberg Syndrome affecting the lateral Medulla
V. Findings: Signs and Symptoms
- Dysarthria
- Dysphagia
- Nausea
- Drop attacks or Syncope
- Cognitive Changes or mental status changes
- Vestibular changes
- Vertigo
- Ataxic gait
- Visual changes
- Hearing Changes
- Akinetic mutism
- Locked-in-syndrome (Basilar ArteryOcclusion at pons)
- Motor or sensory deficits
- Quadriplegia
- Numbness of Tongue
- Facial weakness
- Alternating motor paresis
VI. Syndromes
VII. References
- (2019) Neuro-Psych, CCME National Board Review Course, accessed 6/7/2019