| ARDS | Acute respiratory distress syndrome |
| ABG | Arterial blood gas |
| ALI | Acute Lung Injury |
| BMI | Body Mass Index |
| Crs | Respiratory system compliance |
| COVID-19 | Coronavirus disease 2019 |
| EIT | Electrical impedance tomography |
| HCO3− | Bicarbonate |
| ICU | Intensive care unit |
| IQR | Interquartile Range |
| LRM | Lung recruitment maneuver |
| MV | Minute Ventilation Volume |
| PaCO2 | Partial Pressure of Arterial Carbon Dioxide |
| PaO2 | Partial Pressure of Arterial Oxygen |
| PaO2/FiO2 | Arterial Oxygen Tension to Inspired Oxygen Fraction Ratio |
| PEEP | Positive end-expiratory pressure |
| Ppeak | Peak Pressure |
| Pplat | Plateau pressure |
| Pmean | Mean airway pressure |
| Raw | Airway resistance |
| RASS | Richmond Agitation-Sedation Scale |
| R/I Ratio | Recruitment-to-Inflation Ratio |
| ROI | Region of interest |
| SpO2 | Oxygen Saturation as Measured by Pulse Oximetry |
| TIV | Tidal Impedance Variation |
| TV/Vt | Tidal volume |
| VILI | Ventilator-Induced Lung Injury |
| PBW | Predicted Body Weight |