Table 1.
List of relevant terms and abbreviations.
| Parameter | Definition |
|---|---|
| ARDS | Acute respiratory distress syndrome |
| VT | Tidal Volume |
| PIP | Peak inspiratory pressure |
| PEEP | Positive-end expiratory pressure |
| ZEEP | Zero PEEP |
| Cdyn | Dynamic compliance, a measure of lung’s elasticity defined as (VT/(PIP-PEEP)) |
| FiO2 | Fraction of inspired oxygen |
| Atelectasis | Collapse of the alveoli in the lungs |
| 18F-FDG | 18F-Fluorodeoxyglocuse |
| PET | Positron emission tomography |
| HP-MRI | Hyperpolarized magnetic resonance imaging |
| DNP | Dynamic nuclear polarization, a process to enhance the MR signal by ~10,000-fold |
| Neutrophils | Most abundant type of white blood cells that are recruited upon injury |
| MPO | Myeloperoxidase, an enzyme expressed in activated neutrophils |
| ICAM-1 | Intercellular adhesion molecule-1, a protein expressed in endothelial cells and facilitates neutrophilic recruitment |
| Dependent Lung | The lowest part of the lungs relative to the gravity |