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. 2021 Jun 25;8:644508. doi: 10.3389/fcvm.2021.644508

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Copyright © 2021 Sabbour, Hasan, Al Badarin, Alibazoglu, Rivard, Romany and Perlini.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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ECG (A) showing low voltage QRS, first-degree atrioventricular block and conduction system abnormality with PR interval prolongation with RBBB. Echocardiogram (B,C) revealing marked thickening of the left ventricle, right ventricle, and biatrial enlargement, and a classic speckled appearance. ECG, electrocardiogram; QRS, Q wave, R wave, and S wave; RBBB, right bundle branch block.