| 99mTc-HMDP | Technetium-99m hydroxymethylene diphosphonate |
| ATTRwt-CM | Wild-type transthyretin cardiac amyloidosis |
| 99mTc-PYP | Technetium-99m pyrophosphate |
| 99mTc-DPD | Technetium-99m-3,3-diphosphono-1,2- propanodicarboxylic acid |
| ATTR-CM | Transthyretin amyloid cardiomyopathy |
| siRNA | Small interfering RNA |
| AF | Atrial fibrillation |
| hsTnT | High-sensitivity troponin T |
| NT-proBNP | N-terminal pro-brain natriuretic peptide |
| FLC | Free light chains |
| SPECT/CT | Single-photon emission computed tomography/computed tomography |
| LAAC | Left atrial appendage closure |
| 99mTc-MDP | Technetium-99m methylene diphosphonate |
| TTR | Transthyretin |
| ASO | Antisense oligonucleotide |
| CRISPR-Cas9 | Clustered regularly interspaced short palindromic repeats and associated Cas9 endonuclease |
| H/CL | Heart-to-contralateral |
| EF | Ejection fraction |
| MRA | Mineralocorticoid receptor antagonists |
| ARNI | Angiotensin receptor–neprilysin inhibitors |
| ARB | Angiotensin receptor blockers |
| SGLT2i | Sodium–glucose cotransporter 2 inhibitors |
| AQP | Aquaporin |
| QoL | Quality of life |