| ACT | activated clotting time |
| ALL | acute lymphoblastic leukemia |
| anti-Xa | anti–factor Xa activity |
| AT | antithrombin |
| AT-III | antithrombin III |
| CABG | coronary artery bypass grafting |
| CI | confidence interval |
| COPD | chronic obstructive pulmonary disease |
| CPB | cardiopulmonary bypass |
| COVID-19 | coronavirus disease 2019 |
| CRP | C-reactive protein |
| DIC | disseminated intravascular coagulation |
| DTI | direct thrombin inhibitor |
| EACTAIC | European Association of Cardiothoracic Anaesthesiology and Intensive Care |
| EACTS | European Association for Cardio-Thoracic Surgery |
| EBCP | European Board of Cardiovascular Perfusion |
| ECMO | extracorporeal membrane oxygenation |
| FFP | fresh frozen plasma |
| Hepcon | heparin/protamine titration system (whole-blood) |
| HIT | heparin-induced thrombocytopenia |
| HR | heparin resistance |
| HRG | histidine-rich glycoprotein |
| HSI | heparin sensitivity index |
| ICU | intensive care unit |
| IU | international unit(s) |
| LMWH | low-molecular-weight heparin |
| MIECC | minimally invasive extracorporeal circulation |
| OR | odds ratio |
| PT | prothrombin time |
| aPTT | activated partial thromboplastin time |
| VAD | ventricular assist device |
| VET | viscoelastic testing |