Stroke is defined as?

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Prepare for the CIEMT Medical and Physiology Exam. Study with flashcards and multiple-choice questions that feature explanations. Ace your test!

Multiple Choice

Stroke is defined as?

Explanation:
Stroke happens when the brain’s blood supply is suddenly interrupted, so brain tissue is deprived of oxygen and glucose and begins to be damaged. This interruption can come from a clot that blocks a brain artery (ischemic stroke) or from a ruptured vessel that bleeds into the brain (hemorrhagic stroke). The outcome depends on which part of the brain is affected and how long the tissue goes without blood. It’s not about the heart (that would be a heart attack), not an infection of brain tissue (encephalitis), and not simply increased pressure inside the skull (which can occur in other conditions). The defining idea is the sudden loss of blood flow to brain tissue.

Stroke happens when the brain’s blood supply is suddenly interrupted, so brain tissue is deprived of oxygen and glucose and begins to be damaged. This interruption can come from a clot that blocks a brain artery (ischemic stroke) or from a ruptured vessel that bleeds into the brain (hemorrhagic stroke). The outcome depends on which part of the brain is affected and how long the tissue goes without blood. It’s not about the heart (that would be a heart attack), not an infection of brain tissue (encephalitis), and not simply increased pressure inside the skull (which can occur in other conditions). The defining idea is the sudden loss of blood flow to brain tissue.

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