A Case of Swallow Syncope Induced by Vagovagal Reflex

Seiji KUNIMOTO; Singo SIBATA; Masayoshi ABIRU; Yoshiichi TAKIGAMI; Yukiyasu FUJISE; Kazuo HANAWA; Izumi YAMAJI; Kazuaki SHIMAMOTO; Osamu IIMURA

doi:10.2169/internalmedicine1962.29.199

Seiji KUNIMOTO, Singo SIBATA, Masayoshi ABIRU, Yoshiichi TAKIGAMI, Yukiyasu FUJISE, Kazuo HANAWA, Izumi YAMAJI, Kazuaki SHIMAMOTO, Osamu IIMURA

Author information

Seiji KUNIMOTO
Department of Internal Medicine, Oji General Hospital
Singo SIBATA
Department of Internal Medicine, Oji General Hospital
Masayoshi ABIRU
Department of Internal Medicine, Oji General Hospital
Yoshiichi TAKIGAMI
Department of Internal Medicine, Oji General Hospital
Yukiyasu FUJISE
Department of Internal Medicine, Oji General Hospital
Kazuo HANAWA
Hanawa Cardiovascular Clinic
Izumi YAMAJI
The Second Department of Internal Medicine, Sapporo Medical College
Kazuaki SHIMAMOTO
The Second Department of Internal Medicine, Sapporo Medical College
Osamu IIMURA
The Second Department of Internal Medicine, Sapporo Medical College

Keywords: Advanced atrioventricular block, Syncope, Vagal tone

JOURNAL FREE ACCESS

1990 Volume 29 Issue 2 Pages 199-202

DOI https://doi.org/10.2169/internalmedicine1962.29.199

Details

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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