Understanding Stroke and TIA

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Questions and Answers

What is a defining characteristic of a stroke?

  • It involves immediate loss of consciousness.
  • It primarily affects motor skills without cognitive effects.
  • It results in persistent focal neurologic dysfunction for at least 24 hours. (correct)
  • It lasts a minimum of 12 hours.

Which type of stroke is characterized by disruption of blood supply?

  • Hemorrhagic stroke
  • Transient ischemic attack (TIA)
  • Cerebral edema
  • Ischemic stroke (correct)

What duration characterizes a transient ischemic attack (TIA)?

  • Over 24 hours
  • More than 72 hours
  • Less than 1 hour
  • Lasting for 5-30 minutes (correct)

Which of the following best differentiates between ischemic and hemorrhagic strokes?

<p>Ischemic strokes result from obstruction of blood flow. (D)</p> Signup and view all the answers

Which statement about stroke symptoms is accurate?

<p>Symptoms may vary depending on the affected brain area. (B)</p> Signup and view all the answers

Which condition is characterized by neurologic deficits lasting less than 24 hours?

<p>Transient ischemic attack (TIA) (B)</p> Signup and view all the answers

What distinguishes ischemic stroke from hemorrhagic stroke?

<p>Ischemic stroke occurs due to reduced blood flow (C)</p> Signup and view all the answers

Which statement about the duration of stroke symptoms is accurate?

<p>Symptoms can resolve completely within 24 hours in TIAs (C)</p> Signup and view all the answers

Which of these correctly describes the onset of stroke?

<p>Abrupt onset of neurologic dysfunction lasting at least 24 hours (D)</p> Signup and view all the answers

What is a common misconception about transient ischemic attacks (TIAs)?

<p>TIAs are not considered serious medical events (D)</p> Signup and view all the answers

Flashcards

Stroke

Abrupt onset of focal neurologic dysfunction lasting at least 24 hours.

Focal neurologic dysfunction

Specific area of brain impairment.

Ischemic stroke

Stroke caused by blocked blood vessels.

Hemorrhagic stroke

Stroke caused by bleeding in the brain.

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Transient ischemic attack (TIA)

Temporary focal neurologic deficit.

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Stroke Definition

Sudden brain damage lasting at least 24 hours, affecting a specific area.

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Types of Stroke

Ischemic (blocked blood vessels) or hemorrhagic (bleeding in the brain).

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Transient Ischemic Attack (TIA)

Temporary stroke symptoms that resolve within minutes or hours.

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Stroke Symptoms

Focal neurologic dysfunction, i.e., specific part of the brain is impaired.

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Study Notes

Stroke

  • Stroke is the abrupt onset of focal neurologic dysfunction lasting at least 24 hours.
  • Stroke can be ischemic or hemorrhagic.
  • Transient ischemic attacks (TIAs) are focal ischemic neurologic deficits with a shorter duration.

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