Questions and Answers
What is the main cause of approximately 88% of all strokes?
Ischemic clots
Which type of stroke accounts for about 12% of all strokes?
Hemorrhagic bleeds
What is the main difference between transient ischemic attacks (TIAs) and stroke?
TIAs do not cause permanent brain damage
Which symptoms can be associated with both stroke and transient ischemic attacks (TIAs)?
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What happens to blood flow in the brain during a transient ischemic attack (TIA)?
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Study Notes
Stroke Causes and Types
- The main cause of approximately 88% of all strokes is ischemic stroke.
- The remaining 12% of all strokes are hemorrhagic strokes.
Transient Ischemic Attacks (TIAs)
- The main difference between TIAs and stroke is the duration of the blockage or reduction of blood flow to the brain.
- TIAs are temporary, lasting less than 24 hours, whereas strokes are permanent.
Stroke and TIA Symptoms
- Symptoms associated with both stroke and TIAs include numbness or weakness in the face, arm, or leg, confusion, trouble speaking or understanding speech, trouble seeing in one or both eyes, and severe headache.
Blood Flow During TIA
- During a transient ischemic attack (TIA), blood flow to the brain is temporarily blocked or reduced.
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