Key result
Swallowing cold liquids triggered bradycardia and syncope in a reported patient case.
Highlights a rare presentation of swallow syncope triggered specifically by cold liquids.
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Clinicians should consider cold-liquid triggers in unexplained syncope; extends swallow-syncope spectrum but remains hypothesis-generating.
Cardiac bradyarrhythmias upon swallowing have been reported previously and most commonly have been related to esophageal abnormalities. We have reported the case of an unusual patient who experiences bradycardia and syncope only upon swallowing cold liquids.
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Brick et al. (1978) studied this question. Swallowing cold liquids triggered bradycardia and syncope in a reported patient case.
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