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. 2022 Aug 5;118(18):3517–3535. doi: 10.1093/cvr/cvac119

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© The Author(s) 2022. Published by Oxford University Press on behalf of the European Society of Cardiology.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Graphical Abstract — Grey zones and future directions in transthyretin cardiac amyloidosis. AC-TIVE, interpretation of echocardiographic findings according to the AC-TIVE study; ATTR, transthyretin amyloidosis; CMR; cardiac magnetic resonance; ECG, electrocardiography; ECV, extracellular volume; HCM, hypertrophic cardiomyopathy; HFpEF, heart failure with preserved ejection fraction; LGE, late gadolinium enhancement; PET, positron emission tomography; SPECT; single-photon emission computed tomography; TTR, transthyretin.