| A31P | A31P mutation |
| ACE2 | angiotensin II-converting enzyme |
| ACVIM | American College of Veterinary Internal Medicine |
| ALMS1 | ALMS1 variant |
| AMC | arrhythmogenic cardiomyopathy |
| ANG II | angiotensin II |
| ANP | atrial natriuretic peptide |
| AO | aorta |
| ATE | arterial thromboembolism |
| BNP | B-type natriuretic peptide |
| cfDNA | cell-free DNA |
| CHF | chronic heart failure |
| citH3 | citrullinated histone H3 |
| CRI | continuous infusion |
| cTnI | cardiac troponin-I |
| DCM | dilated cardiomyopathy |
| ESC | European Society of Cardiology |
| FDA | Food and Drug Administration |
| HCM | hypertrophic cardiomyopathy |
| IL-6 | interleukin 6 |
| IV | intravenous |
| IVRT | isovolumetric relaxation |
| IVSd | interventricular septum in diastole |
| IVSs | interventricular septum in systole |
| LA | left atrium |
| LAA | left atrial appendage |
| LA/Ao | left atrium/aorta ratio |
| LAMP | loop-mediated isothermal amplification assay |
| LFD | lateral flow dipstick |
| LOX | lysyl oxidase |
| LV | left ventricle |
| LVFW | left ventricle free wall thickness |
| LVFWd | left ventricle free wall thickness in diastole |
| LVFWs | left ventricle free wall thickness in systole |
| LVOT | left ventricular outflow tract |
| LVOTO | left ventricular outflow tract obstruction |
| MAPSE | mitral annular plane systolic excursion |
| MCP-1 | monocyte chemoattractant protein 1 |
| mTOR | mammalian homologue TOR protein |
| MYBPC3 | MYBPC3 gene |
| MYH7 | MYH7 gene |
| NETs | neutrophil extracellular traps |
| NLR | neutrophil/lymphocyte ratio |
| NTproANP | N-terminal pro-atrial natriuretic peptide |
| NTproBNP | N-terminal pro-B-type natriuretic peptide |
| PO | orally |
| PVF | pulmonary venous flow |
| R820W | R820W mutation |
| RA | right atrium |
| RAS | renin–angiotensin system |
| RMC | restrictive cardiomyopathy |
| RV | right ventricle |
| RVOT | right ventricular outflow tract |
| SAM | systolic anterior movement |
| SF% | shortening fraction |
| SQ | subcutaneous |
| T4 | thyroxine |
| TGF-β | transforming growth factor beta |
| TNNT2 | TNNT2 intronic variant |
| TpTe | Tpeak–Tend |
| TT-LD | color-coded tissue tracking |
| VHS | vertebral heart size |
| VLAS | vertebral left atrial size |