Final answer:
An embolus is the most likely cause of a stroke or heart attack, leading to blocked blood flow and brain cell death.
Explanation:
Embolus is most likely to cause a stroke (by occlusion) or a heart attack (infarction). An ischemic stroke occurs when an embolus breaks off from a plaque or forms in the heart, travels to the brain, and blocks blood flow, leading to brain cell death. This condition can be treated with clot-busting drugs to prevent permanent damage.
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