Table 2 Description of 3 simulated asynchrony scenario
From: Reconstructing asynchrony for mechanical ventilation using a hysteresis loop virtual patient model
Scenario | MV mode | Asynchrony type | Definition | Experimental protocol |
|---|---|---|---|---|
1 | VC | Reverse triggering | Mechanical inflation leads to a reflexive neural response, known as entrainment | Lifting the top panel of test lung to create a negative pressure during the inflation of test-lung bellow |
2 | PC | Premature cycling | Patient inspiration time is longer than mechanical inspiration | Hold the top panel of test lung to create a negative pressure and positive flow during the deflation of test-lung bellow |
3 | PC | Double triggering | Patient inspiration is longer than mechanical inspiration and patient effort exceeds the ventilator trigger threshold | Lift the top panel of test lung to create a negative pressure exceeding the trigger threshold during the deflation of test lung bellow |