| ATTR | Transthyretin amyloidosis |
| TTR | Transthyretin |
| CM | Cardiomyopathy |
| PN | Polyneuropathy |
| PYP Scan | 99Technetium pyrophosphate scintigraphy/99Tc-PYP scintigraphy |
| H/CL | Heart-to-contralateral lung ratio |
| ROI | Region of interest |
| mRNA | Messenger ribonucleic acid |
| PMCC | Peter Munk Cardiac Centre |
| FDA | Food and Drug Administration |
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