Electronystagmography and Caloric Testing
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Questions and Answers

What is the primary purpose of Electronystagmography (ENG)?

  • To evaluate the function of the vestibular system (correct)
  • To diagnose infections in the ear
  • To measure electrical activity in the brain
  • To assess hearing loss in patients
  • Which of the following should be avoided by clients prior to undergoing an ENG procedure?

  • Taking prescribed antibiotics
  • Consuming caffeinated beverages (correct)
  • Consuming high-protein meals
  • Engaging in physical exercise
  • What nursing action is essential during the ENG procedure?

  • Asking simple questions to maintain alertness (correct)
  • Providing distractions through music or videos
  • Reassuring the client to relax and close their eyes
  • Administering sedatives to calm anxiety
  • Why is caloric testing performed in conjunction with ENG?

    <p>To induce nystagmus and assess eye response</p> Signup and view all the answers

    Which client condition would preclude the administration of an ENG?

    <p>Presence of a pacemaker</p> Signup and view all the answers

    Study Notes

    Electronystagmography (ENG)

    • Detects involuntary eye movements (nystagmus) to assess vestibular ear system disease.
    • Electrodes placed near eyes; eye movements recorded during ear canal stimulation (cold water/air injection).
    • Specialist interprets recordings as normal or abnormal.

    Nursing Actions (ENG)

    • Ask simple questions (name recall, math problems) during procedure to ensure alertness.
    • Maintain client on bed rest and NPO post-procedure until vertigo resolves.

    Client Education (ENG)

    • Fast before procedure and restrict caffeine, alcohol, sedatives, and antihistamines for several days prior.
    • Not performed on pacemaker patients (pacemaker signals interfere).

    Caloric Testing

    • Can be performed concurrently with ENG.
    • Water (warmer/cooler than body temperature) instilled in the ear to induce nystagmus.
    • Eye response to cold/warm water is diagnostic for vestibular disorders.

    Nursing Actions (Caloric Testing)

    • Client should follow same restrictions as ENG.

    Client Education (Caloric Testing)

    • Be aware of restrictions listed for ENG.

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    Description

    This quiz covers the procedures and nursing actions related to Electronystagmography (ENG) and caloric testing, used to assess vestibular disorders. Key points include client education, preparation requirements, and post-procedure care. Additionally, it addresses the significance of eye movement recordings in diagnosing ear system diseases.

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