MedSchoolSOS
Reading width
№ 77Neurology11 min read

Symptoms and signs of posterior cerebral artery and internal carotid artery occlusions

1. Big picture

This topic is mainly about clinical localization in ischemic stroke. The examiner wants you to recognize two important arterial patterns:

  1. Posterior cerebral artery (PCA) occlusion → mainly causes visual cortical symptoms, especially contralateral homonymous hemianopia, plus possible thalamic, memory, and midbrain signs depending on the branch involved.

  2. Internal carotid artery (ICA) occlusion → affects the anterior circulation, often producing a large hemispheric stroke pattern involving middle cerebral artery (MCA) ± anterior cerebral artery (ACA) territory, with possible amaurosis fugax because the ophthalmic artery arises fro

Public preview

Unlock this Neurology topic

Choose monthly or annual access only when those offers are supplied by the catalog.

Log in to continue
Access covers all 231 current Neurology topics, dedicated question views where source material supports them, and the available Anki study deck. Subject access is $9.99/month; a $39.99 annual plan is coming soon.

A recurring monthly subscription at $9.99/subject, renews until you cancel. By subscribing you agree to our Terms and Refund Policy, ask us to start access immediately, and accept that you lose your 14-day right of withdrawal once access begins.

Anki deck locked

Unlock the subject to access its study deck.