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Author Question: Which the following are hazards associated with mechanical ventilation? 1. Reduced cardiac output 2. ... (Read 28 times)

MirandaLo

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on: Jul 16, 2018
Which the following are hazards associated with mechanical ventilation? 1. Reduced cardiac output 2. Liver failure 3. Increased work of breathing 4. Acute lung injury
 
  a. 1 and 3 only
  b. 1, 2, and 3 only
  c. 3 and 4 only
  d. 1, 3, and 4 only

Question 2

After starting volume-cycled mechanical ventilation on a patient in respiratory failure with a VT of 10 ml/kg, you measure and obtain a plateau pressure of 45 cm H2O. Which of the following actions would you recommend to the patient's physician?
 
  a. Decrease the inspiratory flow.
  b. Lower the delivered VT.
  c. Administer a bronchodilator.
  d. Add PEEP.


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bitingbit

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

ANS: D
Hazards of mechanical ventilation include decreased venous return and cardiac output, increased work of breathing and ventilatory muscle dysfunction due to inappropriate ventilator settings, and ventilator-induced lung injury. Nosocomial pneumonia poses a significant risk for intubated patients.

Answer to Question 2

ANS: B
Plateau pressure (Pplat) during mechanical ventilation reflects alveolar pressure, the best bedside clinical reflection of transalveolar pressure. Limiting Pplat reduces the likelihood of ventila-tor-induced lung injury, although patients with decreased thoracic compliance may require plat-eau pressures greater than 30 cm H2O without resulting overdistention.


MirandaLo

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Reply 2 on: Jul 16, 2018
YES! Correct, THANKS for helping me on my review

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Reply 3 on: Yesterday
:D TYSM

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