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  • Title: A case of swallow syncope induced by vagovagal reflex.
    Author: Kunimoto S, Sibata S, Abiru M, Takigami Y, Fujise Y, Hanawa K, Yamaji I, Shimamoto K, Iimura O.
    Journal: Jpn J Med; 1990; 29(2):199-202. PubMed ID: 2232368.
    Abstract:
    A 65-year-old man experienced syncope associated with advanced atrioventricular (AV) block upon swallowing. Continuous electrocardiogram (ECG) monitoring revealed first and second degree AV block. ECG revealed advanced AV block (Max R-R 6.38 s) upon swallowing, a cold drink. Demand ventricular pacing alleviated his symptoms. In this patient, the advanced AV block might have been precipitated by a vagovagal reflex triggered by expansion of the esophagus, resulting in selective suppression of the atrioventricular node.
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