Describe what a cerebrovascular accident is and the different causes for one.
• Hemorrhagic
• Embolus
• Thrombus
• Compression
A cerebrovascular accident (or a stroke) occurs when the blood supply is cut off to the brain. An infarct or dead area develops.
Causes:
• Hemorrhagic—ruptured blood vessel
• Embolus—a floating clot lodges in a cerebral vessel
• Thrombus—a stationary clot forms within a cerebral blood vessel
• Compression—a space-occupying lesion (like a tumor) pinches off an adjacent blood vessel
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