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The article reports about a medical research conducted on a 72-year-old woman with breast cancer, that had metastasized to the glossopharyngeal region, who had recurrent episodes of sudden lightheadedness, diaphoresis, and syncope. A dual-chamber pacemaker was implanted, but syncope recurred, always preceded by severe neck pain. During the tilt-table test with the pacemaker inactivated, the patient's usual symptoms developed. She lost consciousness and had a seizure, but regained consciousness after she was returned to the supine position. Treatment with disopyramide eliminated the syncopal episodes over five months of follow-up.