| Acute coronary syndrome | ACS |
| Adjusted odds ratio | aOR |
| Alkaline Phosphatase | AP |
| Angiotensin II type 1 receptor | AT1 receptor |
| Angiotensin-converting enzyme inhibitor | ACE inhibitor |
| Area under curve | AUC |
| Computed tomography | CT |
| Confidence interval | CI |
| Creatine kinase-myocardial band | CK-MB |
| Creatinine kinase | CK |
| Delayed cerebral ischemia | DCI |
| Digital subtraction angiography | DSA |
| Electrocardiography | ECG |
| Gamma-Glutamyltransferase | GGT |
| Glutamate-Oxaloacetate-Transaminase | GOT |
| Glutamate-Pyruvate-Transaminase | GPT |
| Intracranial pressure | ICP |
| Lactate Dehydrogenase | LDH |
| Modified Rankin scale | mRS |
| Non-Steroidal Anti-Inflammatory Drug | NSAID |
| N-terminal pro–B-type natriuretic peptide | NT-proBNP |
| Odds ratio | OR |
| Receiver operating characteristic | ROC |
| Subarachnoid hemorrhage | aSAH |
| World Federation of Neurological Surgeons | WFNS |