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Sunday, March 22, 2020

Ventilator - Parameters

https://e-vent.mit.edu/clinical/key-ventilation-specifications/

Tidal Volume VT
Positive End Expiry Pressure  PEEP
Respiratory Rate RR
Inspiratory Airflow V'

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6212352/

ARDS = Acute Respiratory Distress Syndrome
ICU = Intensive Care Unit
PBW = Predicted Body Weight
           PBWmen = 50.0+0.905xheight in cm - 152.4
           PBWwomen = 45.5 +0.905xheight in cm -152.4
VILI = Ventilator Induced Lung Injury
VT = Tidal Volume
         6mL/Kg PBW


PEEP is the alveolar pressure above the atmospheric pressure at end-expiration. PEEP applied through mechanical ventilation (i.e., extrinsic PEEP) allows delivery of positive pressure at the end of expiration to prevent unstable lung units from collapsing. Low levels of PEEP (3 to 5 cmH2O) are routinely used in patients on mechanical ventilation.
lower PEEP (<12 cmh="" sub="">2
O)CMH20   PASCALS   PSI
12           1 176          0.171 <- much="" not="" p="" psi="" thats="">https://www.google.com/search?client=firefox-b-d&q=convert+cmH2O+to+pascals

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