Vagovagal Syncope
By contrast to vasovagal syncope, convincing vagovagal syncope is rare. The reflex is usually triggered by swallowing or vomiting; cardiac standstill results if the asystole is sufficiently prolonged, with a convulsive syncope (anoxic seizure). This is probably not a life-threatening disorder, but the symptoms can be troublesome, particularly if
the patient also has migraine with associated vomiting. Pacemaker therapy can be considered if events are frequent and interfering with quality of life.
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