| ACS | Acute Coronary Syndrome |
| AUC | Area Under the Curve |
| CKD | Chronic Kidney Disease |
| COPD | Chronic Obstructive Pulmonary Disease |
| CFS | Clinical Frailty Score |
| CIRS-G | Cumulative Illness Rating Scale for Geriatrics |
| EF | Ejection Fraction |
| GRACE | Global Registry of Acute Coronary Events |
| ICU | Intensive Care Unit |
| NSTEMI | Non-ST-Elevation Myocardial Infarction |
| ROC | Receiver Operating Characteristic |
| STEMI | ST-Elevation Myocardial Infarction |
| USAP | Unstable Angina Pectoris |