26A. Symptoms of insufficient blood circulation in vertebrobasilar territory (+ the posterior circulation)

Page created on June 3, 2021. Last updated on April 1, 2022 at 09:30


For introduction to stroke symptoms, see topic 16A.

The posterior circulation supplies the brain stem and thalamus (+ cerebellum and occipital cortex), and as such may produce a larger variety of symptoms than anterior circulation strokes.

Symptoms of insufficient blood supply of the vertebrobasilar artery territory

  • Vertigo
  • Diplopia
  • Dysarthria
  • Uni/bilateral sensory loss
  • Uni/bilateral paresis/plaegia
  • Bilateral visual changes/hemianopia
  • Altered consciousness
  • Dysphagia
  • Ataxia
  • Alternating brainstem syndrome

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