| AC | Assist-Control |
| ACE2 | Angiotensin-converting enzyme 2 receptors |
| aPTT | Activated Partial Thromboplastin Time |
| ARDS | Acute respiratory distress syndrome |
| ABG | Arterial Blood Gas |
| BiPAP | Bilevel positive airway pressure |
| CPAC | Continuous positive airway pressure |
| CRP | C- reactive protein |
| CT | Computer tomography |
| DIC | Disseminated intravascular coagulation |
| DVT | Deep vein thrombosis |
| DOAC | Direct oral anticoagulants |
| ECG | Electrocardiogram |
| ECMO | Extracorporeal membrane oxygenation |
| HFNC | High-Flow Nasal Cannula |
| HRCT | High-Resolution Chest CT Scan |
| IL | Interleukins |
| INR | International Normalized Ratio |
| LMWH | Low-molecular-weight heparin |
| MIS-C | Multisystem inflammatory syndrome in children |
| NIC | Non-invasive ventilation |
| PCR | Polymerase chain reaction |
| PE | Pulmonary embolism |
| PEEP | Positive End-Expiratory Pressure |
| PICS | Post-Intensive Care Syndrome |
| PT | Prothrombin time |
| RT-PCR | Reverse transcription polymerase chain reaction |
| SBT | Spontaneous Breathing Trials |
| TNF-α | Tumor Necrosis Factor |
| VILI | Ventilator-induced lung injury |
| VTE | Venous thromboembolism |