| ALT | alanine transaminase |
| AST | aspartate aminotransferase |
| BNP | brain natriuretic peptide |
| CMR | cardiac magnetic resonance |
| CMV | cytomegalovirus |
| CRP | C-reactive protein |
| EBV | Epstein–Barr virus |
| ECG | electrocardiogram |
| ECHO | echocardiography |
| ELR | eosinophil-to-lymphocyte ratio |
| Hgb | hemoglobin |
| Hct | hematocrit |
| HCV | hepatitis C virus |
| HHV-6 | human herpesvirus 6 |
| HIV | human immunodeficiency virus |
| IG | immature granulocytes |
| IVs | interventricular septum |
| LYM | lymphocytes |
| LVED | left ventricular end-diastolic diameter |
| LVEF | left ventricular ejection fraction |
| MCH | mean corpuscular hemoglobin |
| MCHC | mean corpuscular hemoglobin concentration |
| MCV | mean corpuscular volume |
| MLR | monocyte-to-lymphocyte ratio |
| MON | monocytes |
| NLR | neutrophil-to-lymphocyte ratio |
| NT-proBNP | N-terminal prohormone of brain natriuretic peptide |
| NEUTR | neutrophils |
| nsVT | non-sustained ventricular tachycardia |
| PCT | procalcitonin |
| PWd | posterior wall diameter |
| RDW | red blood cell distribution width |
| RVED | right ventricular end-diastolic diameter |
| SARS-CoV | severe acute respiratory syndrome coronavirus |
| SVPB | supraventricular premature beats |
| VPB | ventricular premature beats |
| WBC | white blood cell count |