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Author Question: An alert patient receiving intermittent mandatory ventilation at a rate of 8/min and VT of 600 ml ... (Read 73 times)

pane00

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on: Jul 16, 2018
An alert patient receiving intermittent mandatory ventilation at a rate of 8/min and VT of 600 ml has stable vital signs and satisfactory blood gases on an FiO2 of 0.45. What would you do to ini-tiate weaning for this patient?
 
  a. Lengthen the automatic sigh interval.
  b. Decrease the mandatory rate to 5 to 6/min.
  c. Increase FiO2 to 60.
  d. Decrease the VT to 500 ml.

Question 2

Which of the following techniques can help to decrease a patient's imposed work of breathing during weaning from ventilatory support?
 
  1. Use of pressure-supported ventilation (PSV)
  2. Trigger breath by flow, not pressure
  3. Application of small amounts of continuous positive airway pressure (CPAP) or positive end expiratory pressure (PEEP)
  4. Use of automatic tube compensation (ATC)
  a. 2 and 4 only
  b. 1, 2, and 3 only
  c. 3 and 4 only
  d. 1, 2, 3, and 4


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canderson530

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

ANS: B
At this point, the rate is reduced in a stepwise manner until complete spontaneous breathing can be achieved.

Answer to Question 2

ANS: D
The patient's ventilatory workload should be minimized with PSV. Flow trigger, flow-by, or ATC also may be helpful in minimizing imposed ventilatory work. Intrinsic PEEP during me-chanical ventilation may increase trigger work, and small amounts of PEEP or CPAP can help overcome this problem.


pane00

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Reply #2 on: Jul 16, 2018
TY


canderson530

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Reply #3 on: Jul 16, 2018
Happy to Help


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