| 6MWT | 6-minute walk test |
| ACCF | American College of Cardiology Foundation |
| ACEI | angiotensin-converting enzyme inhibitor |
| A-fib | atrial fibrillation |
| AHA | American Heart Association |
| AL | amyloid light-chain |
| ALP | alkaline phosphatase |
| ARB | angiotensin receptor blocker |
| ARNI | angiotensin receptor blocker—neprilysin inhibitor |
| ASO | antisense oligonucleotide |
| BB | β-blocker |
| BNP | brain natriuretic peptide |
| CA | cardiac amyloidosis |
| CIDP | chronic inflammatory demyelinating polyneuropathy |
| CKD | chronic kidney disease |
| CM | cardiomyopathy |
| CMR | cardiac magnetic resonance |
| CRT | cardiac resynchronization therapy |
| CTS | carpal tunnel syndrome |
| dFLC | difference between uninvolved and involved free light chain |
| ECV | extracellular volume fraction |
| EF | ejection fraction |
| eGFR | estimated glomerular filtration rate |
| EMB | endomyocardial biopsy |
| FLC | free light chain |
| GLS | global longitudinal peak systolic left ventricular strain |
| HF | heart failure |
| HFpEF | HF with preserved ejection fraction |
| HFrEF | HF with reduced ejection fraction |
| (HR)QOL | (health related) quality of life |
| hs‐TnI | high‐sensitivity troponin I |
| hs‐TnT | high‐sensitivity troponin T |
| ICD | implantable cardiac defibrillator |
| ISA | International Society of Amyloidosis |
| IVS | intraventricular septum |
| KCCQ | Kansas City Cardiomyopathy Questionnaire |
| LGE | late gadolinium enhancement |
| LV | left ventricular |
| LVEF | LV ejection fraction |
| LVH | LV hypertrophy |
| MDV | Medical Data Vision |
| MGUS | monoclonal gammopathy of undetermined significance |
| MIBG | meta-iodobenzylguanidine |
| NAC | National Amyloidosis Center (UK) |
| NSAID | non-steroidal anti-inflammatory drug |
| NT‐proBNP | N‐terminal pro‐B‐type natriuretic peptide |
| NYHA | New York Heart Association |
| PET | positron emission tomography |
| PN | peripheral neuropathy |
| PPM | permanent pacemaker |
| PRO(Ms) | patient-related outcome (measures) |
| PYP | pyrophosphate |
| SAP | serum amyloid P component |
| SCD | sudden cardiac death |
| SF-36 | 36-Item Short Form Survey |
| siRNA | small inhibitory RNA |
| SQ | subcutaneous |
| SVI | stroke volume index |
| TAVR | transcatheter aortic valve replacement |
| TnT | troponin T |
| TUDCA | tauroursodeoxycholic acid |
| ⁹⁹ᵐTc‐PYP | ⁹⁹ᵐTechnetium‐pyrophosphate |
| VKA | vitamin K antagonist |
| VT | ventricular tachycardia |
