Explaining the expiratory time constant

Author: Clinical Expert Group, Hamilton Medical, Reviewer: n/a

The expiratory time constant (RCexp) provides valuable information about the patient's lung mechanics.

RCexp is the product of compliance and resistance, and indicates how long the patient takes to exhale. In this short video, Dr. Ian Rechner from the The Royal Berkshire Hospital (UK) uses syringes and balloons to demonstrate the principle.

Click on the link below to read our bedside tip on using and interpreting the expiratory time constant to assess the lung condition and optimize ventilator settings.






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Date of Printing: 15.04.2021
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