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Pediatric Rounds Review Questions

Dysphagia, Hoarseness, and Weakness
in a 12-Year-Old Girl


Kevin Couloures, DO

Dr. Couloures is a resident physician in the Internal Medicine/Pediatrics Residency Program at the Los Angeles County/University of Southern California Medical Center, Los Angeles, CA.

The questions below are based on the November 2003 Pediatric Rounds article, “Dysphagia, Hoarseness, and Weakness in a 12-Year-Old Girl.”

Choose the single best answer for each question.

1. Which of the following is the best method for monitoring respiratory status in a patient admitted for myasthenic crisis?
  1. Pulse oximetry
  2. Respiratory rate
  3. Serial arterial blood gases
  4. Forced vital capacity
Click here to compare your answer.

2. Cholinergic crisis can result from over-titration of the drugs used to treat myasthenia gravis. Which of the following tests can be used to differentiate the weakness of myasthenia gravis from cholinergic overdose?

  1. Edrophonium chloride challenge
  2. Rapid alternating hand movements
  3. Sustained upward gaze
  4. Toe-walking
Click here to compare your answer.

3. Myasthenia gravis has been called the great imitator. All of the following should be considered in the differential diagnosis of myasthenia gravis EXCEPT:
  1. Acute cerebellar ataxia
  2. Botulism
  3. Organophosphate poisoning
  4. Systemic lupus erythematosus
  5. Thyroid disorders
Click here to compare your answer.


 

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Updated 1/04/08 • kkj