Author Question: Which of the following determines effectiveness of high-frequency external chest wall compres-sion ... (Read 23 times)

lindiwe

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Which of the following determines effectiveness of high-frequency external chest wall compres-sion therapy? 1. Compression frequency 2. Largest volumes 3. Flow bias
 
  a. 1 only
  b. 2 only
  c. 1 and 3 only
  d. 2 and 3 only

Question 2

What duration of time and pressure is recommended when using MIE devices to clear airways secretions in adults?
 
  a. 30 to 50 cm H2O at 1 to 3 sec
  b. 10 to 30 cm H2O at 1 to 3 sec
  c. 30 to 50 cm H2O at 5 to 10 sec
  d. 10 to 30 cm H2O at 5 to 10 sec



jaaaaaaa

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Answer to Question 1

ANS: C
Compression frequency and flow bias (inspiratory vs. expiratory) determine the effectiveness of therapy.

Answer to Question 2

ANS: A
The recommended starting pressure and time for applying MIE to adults is 30 to 50 cm H2O at 1 to 3 sec. From there, pressures can be adjusted accordingly.



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