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faintness or unconsciousness upon swallowing. This is nearly always due to excessive vagal effect on a heart that may already have bradycardia or atrioventricular block.
Synonym(s): swallow syncope
Farlex Partner Medical Dictionary © Farlex 2012
de·glu·ti·tion syn·co·pe(dē-glū-tish'ŭn sing'kŏ-pē)
Faintness or unconsciousness on swallowing. This is nearly always due to excessive vagal effect on a heart that may already have bradycardia or atrioventricular block.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
Syncope triggered by swallowing. It is an abnormal reflex in which stimulation of the esophagus elicits vagal motor impulses that cause bradycardia, peripheral vasodilation, and hypotension.
See also: syncope
Medical Dictionary, © 2009 Farlex and Partners
deglutition syncopeA condition of sympathetic inhibition from vagus nerve activation due to stimulation of the oesophagus in swallowing, especially when cold beverages are taken. In a severe case there may be marked slowing of the heart, widening of peripheral blood vessels and a drop in blood pressure. This may result in dangerous dizziness, confusion and syncope.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005