Key result
Swallowing carbonated beverages and balloon inflation in the lower oesophagus induced complete atrioventricular block in a 21-year-old man, likely due to a hypersensitive vagotonic reflex.
Population
1 21-year-old man presenting with multiple, recurrent episodes of complete atrioventricular block associated…
Design
Case_report
Authors
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Consider oesophageal triggers in unexplained AV block; case report leaves open prevalence and management questions.
Case Report (n=1)
Swallow syncope can manifest as complete AV block due to a hypersensitive vagotonic reflex triggered by oesophageal mechanical receptors.
Hiroyuki Kakuchi (2000) conducted a case report in Swallow syncope associated with complete atrioventricular block and vasovagal syncope (n=1). Swallowing of carbonated beverages and balloon inflation in the lower oesophagus was evaluated on Induction of complete atrioventricular block. Swallowing carbonated beverages and balloon inflation in the lower oesophagus induced complete atrioventricular block in a 21-year-old man, likely due to a hypersensitive vagotonic reflex.
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