| AI | Artificial Intelligence |
| APACHE | Acute Physiology And Chronical Health Evaluation |
| DL | Deep Learning |
| ECG | Electrocardiogram |
| ICU | Intensive Care Unit |
| MAE | Mean Absolute Error |
| MEWS | Modified Early Warning Score |
| PPG | Photoplethysmogram |
| RR | Respiratory Rate |
| SD | Standard Deviation |
| SICU | Surgical Intensive Care Unit |
| SOFA | Sequential Organ Failure Assessment |
| SQI | Signal Quality Index |