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Author Question: Calculate the inspiratory to expiratory (I:E) ratio for a ventilator that is set to deliver 850 mL ... (Read 70 times)

bucstennis@aim.com

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on: Jul 16, 2018
Calculate the inspiratory to expiratory (I:E) ratio for a ventilator that is set to deliver 850 mL at a frequency of 15 breaths/min with a flow rate of 45 L/min.
 
  a. 1:1.1
  b. 1:2.5
  c. 1:3.5
  d. 1:4

Question 2

Calculate the inspiratory to expiratory (I:E) ratio when the inspiratory time is 0.5 second and the respiratory rate is 30 breaths/min.
 
  a. 1:3
  b. 1:4
  c. 4:1
  d. 3:1


sailorcrescent

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

ANS: B
Minute ventilation equals respiratory rate multiplied by tidal volume.

Answer to Question 2

ANS: A
Total Cycle Time (TCT) = 60 sec/f; TCT  Inspiratory Time (TI) = Expiratory Time (TE); TI:TE = 1:X.


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bucstennis@aim.com

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Reply #2 on: Jul 16, 2018
Correct answers!


sailorcrescent

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Reply #3 on: Jul 16, 2018
Great! Please up vote :D


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