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Author Question: The Bunnell Life Pulse High-Frequency Jet Ventilator is being set up to ventilate an infant who has ... (Read 103 times)

WWatsford

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on: Jul 16, 2018
The Bunnell Life Pulse High-Frequency Jet Ventilator is being set up to ventilate an infant who has already been intubated with a regular endotracheal tube.
 
  A 2.5-mm internal diameter Life Port adapter is being used. The conventional peak inspiratory pressure is set at 26 cm H2O. The high-frequency jet ventilation peak inspiratory pressure should be set at a pressure of _____ cm H2O.
  a. 23.4 c. 26
  b. 24.7 d. 28

Question 2

The Bunnell Life Pulse High-Frequency Jet Ventilator is being set up to ventilate an infant who has a regular endotracheal tube with a 3.5-mm internal diameter Life Port adapter.
 
  Conventional peak inspiratory pressure is set at 30 cm H2O. The high-frequency jet ventilation peak inspiratory pressure should be set at a pressure of _____ cm H2O.
  a. 25.5 c. 28.5
  b. 27.0 d. 30.0


bitingbit

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Reply #1 on: Jul 16, 2018
Answer to Question 1

ANS: C
When using a Life Port adapter with a 2.5-mm internal diameter, the clinician should set up the initial high-frequency jet ventilation peak inspiratory pressure equal to the conventional peak in-spiratory pressure. Therefore, 26 cm H2O should be the setting.

Answer to Question 2

ANS: B
When a LifePort adapter larger than 2.5-mm internal diameter is used, the clinician should set up the initial high-frequency jet ventilation peak inspiratory pressure at 90 of the conventional peak inspiratory pressure. Therefore, 90 of 30 cm H2O is 27 cm H2O.


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