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Module 4 - Ischemia in Carotid Territory

Knowledge

  • Describe common signs/symptoms of TIAs that are seen with ischemia in carotid territory
  • Describe two mechanisms that may explain transient monocular blindness.
  • List 4 of the major signs and symptoms seen after occlusion of the MCA stem in the language-dominant and in the non-dominant hemisphere, and relate each to damage in a specific neuroanatomic structure.

Clinical Applications and Reasoning

  • Explain how occlusion of the extracranial carotid artery can produce several different patterns of neurologic deficits (or in some cases, none at all).
  • Compare and contrast the patterns of clinical findings seen after occlusion of the superior MCA division in the language-dominant vs the non-dominant hemisphere.
  • Compare and contrast the patterns of clinical findings seen after occlusion of the inferior MCA division in the language-dominant vs the non-dominant hemisphere.

Clinical Applications to Patient Education

  • Develop points that you could use in explaining to a patient how he or she might personally experience a TIA produced by temporary occlusion of carotid branches.