Carotid sinus syncope. Report of two cases.
In two cases of hyperactive carotid sinus with syncope, both patients had a history of syncopal attacks. Carotid sinus massage produced asystole lasting for four seconds with recurrent symptoms. Permanent demand pacemakers were implanted in both patients, causing a relief of symptoms.
D000368:Aged; D002346:Carotid Sinus; D006323:Heart Arrest / Q000209:etiology / Q000628:therapy; D006801:Humans; D008297:Male; D008405:Massage / Q000009:adverse effects; D010138:Pacemaker, Artificial; D012008:Recurrence; D013575:Syncope / Q000628:therapy