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Archive for December 2018

Expiratory Flow Limitation (EFL)

Expiratory flow limitation (EFL) is often associated with the presence of auto-PEEP. There are simple bedside maneuvers that can be done to determine the severity of EFL. For this subject, the CoEMV invited Detajin Junhasavasdikul MD, first author of a paper on the subject published in Chest, 2018.

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Interpret This Waveform Pattern

The results are in!   There were multiple correct responses.  The patient indeed has high resistance as shown by the large difference between peak-inspiratory pressure (PIP) and plateau pressure (Pplat).  They also have significant expiratory flow limitation as suggested by the shape of the expiratory flow-time curve (methods for assessing EFL will be included in another…

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