Recurrent Syncope: Initial Presentation of Transthyretin Amyloidosis. Benefits of Disease-Modifying Treatment

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) [...]