Key result
Swallowing-induced atrial tachycardia from the superior vena cava links to parasympathetic nerve activity.
Why the study?
Swallowing-induced tachyarrhythmia is a rare clinical entity with fewer than 50 cases described worldwide, requiring further characterization.
Case Report
Swallowing-induced tachyarrhythmia is a rare clinical entity with fewer than 50 cases reported in the worldwide literature.
No immediate change to ablation strategy; hypothesis-generating for parasympathetic targeting in SVC foci.
Swallowing-induced tachyarrhythmia is a rare clinical entity, and is defined as supraventricular tachyarrhythmia, such as atrial premature contractions (APCs), paroxysmal atrial tachycardia (AT), and paroxysmal atrial fibrillation, that is reproducibly and consistently induced during a wet or dry swallow. Although the first case of a swallowing-induced tachyarrhythmia was reported as far back as 1926 by Sakai et al,1 no more than 50 cases have been described in the worldwide literature, as Tada et al2 organized in a report.
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Higuchi et al. (2016) conducted a case report in Swallowing-induced atrial tachycardia. Swallowing-induced atrial tachycardia arising from the superior vena cava involves significant parasympathetic nerve activity.
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