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11 Cards in this Set
- Front
- Back
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Describe the internal carotid artery its branches |
At the front area of the brain Anterior Cerebral Artery branch - Entire midline of cerebral hemisphere Middle cerebral artery branch - Lateral surface of cerebrum (parietal and temporal lobes) |
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Effects of a blockage in the internal carotid or its branches |
Internal Carotid: Weakness and loss of sensation on the contralateral side of the body ACA: Dec strength and sensation of lower body MCA: Dec strength and sensation of upper body |
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Where is the vertebral artery |
Visual area of cerebrum, brain stem, cerebellum |
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What are the effects of a blockage in the vertebral artery? |
Visual loss, dizziness, language dysfunction Loss may be minimal due do constant supply from other vertebral artery |
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What are the branches of the vertebral artery? |
Posterior Cerebral artery Superior cerebral artery Basilar artery Anterior inferior cerebrella artery Posterior inferior cerebellar artery |
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Where is the PCA and what would a blockage cause? |
Calcacrine cortex Visual loss and dizziness |
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What could injure CN3? |
Aneurysm in either the PCA or SCA because CN3 rests between the two |
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Where is the Superior cerebellar artery and what would a blockage cause? |
Superior cerebellum and brainstem Dizziness and nausea |
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Where is the Basilar Artery and what would a blockage cause? |
Base of the skull where the two vertebral arteries meet Blindness, ataxia, blocks supply to both PCA |
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Where is the Anterior Inferior Cerebellar Artery and what would a blockage cause? |
Comes off the basilar artery at the junction of the pons and medulla. suppies anterior and inferior portion of the cerbellum CN7, Dizziness, hearing, loss, tnnitus, difficulty walking |
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Where is the Posterior Inferior cerebellar artery and what would a blockage cause? |
Inferior cerebellum and medulla Blockage causes Wallenberg Syndrome |
