ABC Heart Fail Cardiomyop 2021; 1(2): 149-152
Recurrent Syncope: Initial Presentation of Transthyretin Amyloidosis. Benefits of Disease-Modifying Treatment
Edileide de Barros Correia
, Larissa Ventura Ribeiro Bruscky, Berenice Cataldo Oliveira Valério, Ana Cristina de Souza Murta
, Fabiano Castro Albrecht, Ibraim Masciarelli Francisco Pinto, Paola Emanuela Poggio Smanio
Introduction
Syncope is a symptom that can occur in normal hearts, but it may also have multiple causes, both cardiological and neurological. It is not frequently reported as an initial manifestation of cardiac amyloidosis, but, when it occurs, it can be determined by severe atrioventricular block, ventricular tachyarrhythmia, or, as we will describe in the following case report, autonomic dysfunction and postural arterial hypotension. The objective of this study is to describe the case of a patient with transthyretin (TTR) cardiac amyloidosis, with the Val50met mutation, historically known as Val30met,, whose initial clinical presentation was syncope.
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