Cryptogenic Stroke Diagnosis and Monitoring Quiz
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Questions and Answers

Which vessel typically does not have atherosclerotic lesions in lacunar infarcts?

  • Basilar artery
  • Internal carotid artery
  • Middle cerebral artery
  • Lenticulostriate artery (correct)
  • What is considered a major contributing factor for lacunar infarcts?

  • Low blood pressure
  • High total cholesterol (correct)
  • Healthy diet
  • Physical inactivity
  • Which of the following signs are typically NOT present in lacunar infarcts?

  • Hemianopsia
  • Aphasia
  • Neglect
  • Ataxia (correct)
  • What is a common clinical presentation of lacunar infarcts?

    <p>Facial weakness without sensory deficits</p> Signup and view all the answers

    Which type of stroke is considered cryptogenic?

    <p>Ischemic stroke</p> Signup and view all the answers

    What are typical presentations that are absent in lacunar infarcts?

    <p>Coma and loss of consciousness</p> Signup and view all the answers

    What is the maximum score a patient can get on the ABCD2 score for assessing TIA risk?

    <p>7</p> Signup and view all the answers

    In the ABCD2 score, which of the following indicates a higher risk for stroke in the next 2 days?

    <p>Unilateral weakness</p> Signup and view all the answers

    What is the term used for an occlusion of a deep penetrating artery that branches off a larger artery like the MCA?

    <p>Small vessel occlusions</p> Signup and view all the answers

    Which type of stroke typically starts when an atherosclerotic plaque becomes unstable?

    <p>Embolic stroke</p> Signup and view all the answers

    What condition involves hyperviscous blood or deformed red blood cells as possible causes of stroke?

    <p>Polycythemia Vera</p> Signup and view all the answers

    Which category of stroke is considered to be of uncertain or unknown cause?

    <p>Cryptogenic stroke</p> Signup and view all the answers

    What percentage of ischemic strokes are designated as cryptogenic after a standard workup?

    <p>20-30%</p> Signup and view all the answers

    Which of the following is NOT part of the standard workup for a cryptogenic stroke?

    <p>Genetic testing</p> Signup and view all the answers

    What percentage of patients with cryptogenic stroke may have occult or 'low burden' paroxysmal atrial fibrillation?

    <p>Up to 30%</p> Signup and view all the answers

    Which of the following is a non-modifiable risk factor for stroke?

    <p>Age</p> Signup and view all the answers

    Which of the following statements about patent foramen ovale (PFO) is correct?

    <p>PFO may be found, but does not necessarily point to the cause of the stroke.</p> Signup and view all the answers

    Which of the following is considered the single most important non-modifiable risk factor for stroke?

    <p>Age</p> Signup and view all the answers

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