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Author Question: How much patient effort is needed to trigger a ventilator breath when there is 8 cm H2O of ... (Read 26 times)

P68T

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on: Jul 16, 2018
How much patient effort is needed to trigger a ventilator breath when there is 8 cm H2O of un-intended positive end-expiratory pressure (auto-PEEP) and a pressure trigger setting of 2 cm H2O?
 
  a. 2 cm H2O
  b. 6 cm H2O
  c. 8 cm H2O
  d. 10 cm H2O

Question 2

Calculate the humidity deficit when a heat moisture exchanger (HME) provided 14 mg/L of wa-ter to the set tidal volume.
 
  a. 14 mg/L of water
  b. 23 mg/L of water
  c. 30 mg/L of water
  d. 37 mg/L of water


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juwms

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

ANS: D
The effort required to trigger a breath equals the sum of the auto-PEEP and the pressure trigger setting.

Answer to Question 2

ANS: C
Humidity deficit = 44 mg/L  absolute humidity


P68T

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Reply 2 on: Jul 16, 2018
Great answer, keep it coming :)

LVPMS

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Reply 3 on: Yesterday
Excellent

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