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Interesting issue in mechanical ventilation of #COVID19 patients, each one here after >10 days of mechanical ventilation.
How might we monitor for development of this? Time to pay attention to resistance, oft neglected in the age of COVID #ARDS...
#tweetorial #SoMe4MV
How might we monitor for development of this? Time to pay attention to resistance, oft neglected in the age of COVID #ARDS...
#tweetorial #SoMe4MV
First step is to examine the flow waveform. In this case a patient in volume control, to observe how passive expiration is changed by changing time constant.
More on time constants here: derangedphysiology.com/main/cicm-prim…
More on time constants here: derangedphysiology.com/main/cicm-prim…
A faster time constant is associated with decreased compliance (increased elastic recoil). The opposite is seen with airway resistance.
In these cases we often see the expiratory phase on the flow diagram *not* return to baseline before the next inspiration is initiated
In these cases we often see the expiratory phase on the flow diagram *not* return to baseline before the next inspiration is initiated
