What is the sensitivity setting in mechanical ventilation?

Updated: Apr 07, 2020
  • Author: Allon Amitai, MD; Chief Editor: Zab Mosenifar, MD, FACP, FCCP  more...
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Answer

Answer

With assisted ventilation, the sensitivity typically is set at -1 to -2 cm water. The development of iPEEP increases the difficulty in generating a negative inspiratory force sufficient to overcome iPEEP and the set sensitivity. Newer ventilators offer the ability to sense by inspiratory flow instead of negative force. Flow sensing, if available, may lower the work of breathing associated with ventilator triggering.


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