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Clues (‘red flags’) to the presence of cardiac ATTR, Transthyretin amyloidosis; BNP or NT-proBNP, brain natriuretic peptides; CMR, cardiac magnetic resonance; ECG, electrocardiogram; ECV, extracellular volume; HF, heart failure; ICD, implanted cardioverter defibrillator; LGE, late gadolinium enhancement; LS, longitudinal strain; LV, left ventricle; PM, pacemaker.
