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Chapter 30. Management of Extubation of a Patient Following a Prolonged Period of Mechanical Ventilation

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Which of the following is a reliable method in assessing airway edema?

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A. direct or indirect laryngoscopy prior to extubation

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B. ultrasonic evaluation of the vocal cords

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C. performing a “cuff-leak test”

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D. presence of facial edema

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E. none of the above

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(E) Although all of these methods have been used to assess airway edema, none of them has been proven to be a reliable method in assessing airway edema.

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Which of the following are useful steps to minimize the morbidity associated with jet ventilation through a hollow tube exchanger?

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A. ensure that the tip of tube exchanger is positioned above the carina

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B. avoidance of “breath stacking”

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C. use the lowest driving pressure that results in chest expansion

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D. ensure adequate muscle relaxation

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E. all of the above

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(E) With the exception of muscle relaxation, all of the listed precautions are useful steps to minimize the morbidity associated with jet ventilation through a hollow tube exchanger.

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Which of the following may be helpful to reduce airway edema?

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A. elevation of the head of the bed

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B. the use of nebulized epinephrine

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C. fluid restriction

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D. the use of diuretic therapy

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E. all of the above

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(E) All of the steps are helpful to reduce airway edema.

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