| IHCA | In-hospital cardiac arrest |
| OHCA | Out-of-hospital cardiac arrest |
| EDCA | Emergency department cardiac arrest |
| TMT | Temporalis muscle thickness |
| CT | Computed tomography |
| HIMS | Hospital information management system |
| GE | General Electric |
| FOV | Field of view |
| IQR | Interquartile ranges |
| ROC | Receiver operating characteristics |
| PPV | Positive predictive value |
| NPV | Negative predictive value |
| +LR | Positive likelihood ratio |
| −LR | Negative likelihood ratio |
| ICC | Intraclass correlation coefficient |
| N | Number |
| CPR | Cardiopulmonary resuscitation |
| AUC | Area under curve |