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Author Question: When you adjust the pressure drop necessary to trigger a breath on a ventilator, what are you ... (Read 55 times)

rmenurse

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on: Jul 16, 2018
When you adjust the pressure drop necessary to trigger a breath on a ventilator, what are you ad-justing on the machine?
 
  a. Sensitivity
  b. Pressure limit
  c. Mode setting
  d. Positive end expiratory pressure (PEEP) level

Question 2

When using pressure as the trigger variable, where do you typically set the trigger level?
 
  a. 0.5 to 1.5 cm H2O below the baseline ex-piratory pressure
  b. 0.5 to 1.5 cm H2O above the baseline ex-piratory pressure
  c. 2.0 to 3.5 cm H2O below the baseline ex-piratory pressure
  d. 2.0 to 3.5 cm H2O above the baseline ex-piratory pressure


Gabe

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

ANS: A
Pressure triggering occurs when a patient's inspiratory effort causes a drop in pressure within the breathing circuit. When this pressure drop reaches the pressure sensing mechanism, the ventilator triggers on and begins gas delivery. On most ventilators, you can adjust the pressure drop needed to trigger a breath. The trigger level is often called the sensitivity.

Answer to Question 2

ANS: A
Typically, you set the trigger level 0.5 to 1.5 cm H2O below the baseline expiratory pressure.


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rmenurse

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Reply #2 on: Jul 16, 2018
Thank you :)


Gabe

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Reply #3 on: Jul 16, 2018
Happy to help you


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