| ACT | Activated Clotting Time |
| AKI | Acute Kidney Injury |
| BE | Base Excess |
| BIS | Bispectral Index |
| CRRT | Continuous Renal Replacement Therapy |
| CVVHD | Continuous Veno-Venous Hemodiafiltration |
| CI | Cardiac Index |
| CO | Cardiac Output |
| DO2 | Delivery of Oxygen |
| ECLS | Extra Corporeal Life Support |
| EASL | European Association for the Study of the Liver |
| ECMO | Extracorporeal Membrane Oxygenation |
| EF | Ejection Fraction |
| ERS | European Respiratory Society |
| ESC | European Society of Cardiology |
| ESLD | End-Stage Liver Disease |
| FiO2 | Fractional inspired Oxygen |
| Fr | French |
| Hb | Haemoglobin |
| HCO3- | Bicarbonate |
| HFNC | High Flow Nasal Cannula |
| HPS | Hepato-Pulmonary Syndrome |
| HVPG | Hepatic Venous Pressure Gradient |
| ICU | Intensive Care Unit |
| INR | International Normalized Ratio |
| ILTS | International Liver Transplant Society |
| LT | Liver Transplantation |
| MAP | Mean Arterial Pressure |
| MELD | Model for End-Stage Liver Disease |
| MELD-Na | A variant of the MELD score that includes sodium levels in the calculation |
| NO | Nitric Oxide |
| NYHA | New York Heart Association |
| NIRS | Near-Infrared Spectroscopy |
| PAC | Pulmonary Artery Catheter |
| PAH | Pulmonary Arterial Hypertension |
| PaO2 | Partial Pressure of Oxygen in arterial blood |
| PCO2 | Partial Pressure of Carbon Dioxide |
| PAWP | Pulmonary Artery Wedge Pressure |
| P/F ratio | PaO2 to FiO2dPAP = diastolic Pulmonary Artery Pressure |
| mPAP | mean Pulmonary Artery Pressure |
| sPAP | systolic Pulmonary Artery Pressure |
| pH | potential of Hydrogen |
| POD | Post-Operative Day |
| PoPH | Porto-Pulmonary Hypertension |
| PVR | Pulmonary Vascular Resistance |
| PVRI | Pulmonary Vascular Resistance Index |
| RHC | Right-Heart Catheterization |
| ROTEM | Rotational Thromboelastometry |
| RRT | Renal Replacement Therapy |
| ScvO2 | Central Venous Oxygen Saturation |
| SVR | Systemic Vascular Resistance |
| TEE | Trans-Esophageal Echocardiography |
| TEG | Thromboelastography |
| TTE | Trans-Thoracic Echocardiography |
| VV ECMO | Veno-Venous Extracorporeal Membrane Oxygenation |
| VA ECMO | Veno-Arterial Extracorporeal Membrane Oxygenation |
| WHO | Word Health Organization |