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. 2021 Aug 5;6(3):e26047. doi: 10.2196/26047

Figure 1.

Figure 1

System diagram. The patient circuit, to the right, consists of standard intensive care unit parts, except for the modified PEEP valve, pressure and flow sensors, and 2 adapters. PEEP: positive end expiratory pressure; PIP: peak inspiration pressure; SIBR: self-inflating bag resuscitator.