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Author Question: The following two graphic loops show which of the following conditions? a. Leak in the ... (Read 9 times)

rosent76

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on: Jul 16, 2018
The following two graphic loops show which of the following conditions?
 
  a. Leak in the patient-ventilator circuit
  b. Increased airway resistance
  c. Decreased lung compliance
  d. Active exhalation

Question 2

The flow-volume loop below is representative of which of the following conditions?
 
  a. System leak
  b. Intrinsic PEEP
  c. Inadequate flow
  d. Active exhalation


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kbennett34

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

ANS: A
Because the expiratory volume does not return to zero in these graphics, a leak is present in the patient-ventilator circuit. Increased airway resistance would show as a scooped-out expiratory flow on the flow-volume loop, which may not end before the next breath. Decreased lung com-pliance would show as a duck bill on the pressure-volume loop. Active exhalation would make the volume tracing drop below zero.

Answer to Question 2

ANS: B
The expiratory flow in this loop does not return to zero. This shows that auto-PEEP or intrinsic PEEP is present.


rosent76

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Reply 2 on: Jul 16, 2018
Gracias!

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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