| AHRF | Acute Hypoxemic Respiratory Failure |
| iNO | Inhaled Nitric Oxide |
| ICU | Intensive Care Unit |
| ARDS | Acute Respiratory Distress Syndrome |
| RV | Right Ventricular; V/Q: Ventilation/Perfusion |
| ACE2 | Angiotensin-Converting Enzyme 2 |
| AKI | Acute Kidney Injury |
| C-ARDS | COVID-Related Ards |
| PaO2/FiO2 | Arterial Oxygen Partial Pressure/Fractional Inspired Oxygen |
| MetHb | Methemoglobin |
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