| ARDS | Acute Respiratory Distress Syndrome |
| BMI | Body Mass Index |
| COVID-19 | Coronavirus Disease 2019 |
| CXR | Chest X-Ray |
| CT | Computed Tomography |
| DLCO | Diffusing Capacity of the Lungs for Carbon Monoxide |
| FVC | Forced Vital Capacity |
| FEV1 | Forced Expiratory Volume in One Second |
| FRC | Functional Residual Capacity |
| ICU | Intensive Care Unit |
| ILD | Interstitial Lung Disease |
| MRI | Magnetic Resonance Imaging |
| PFT | Pulmonary Function Test |
| RV | Residual Volume |
| SARS-CoV-2 | Severe Acute Respiratory Syndrome Coronavirus 2 |
| TLC | Total Lung Capacity |
| WHO | World Health Organisation |