Vasodepressor carotid sinus syncope.
D000368:Aged; D002346:Carotid Sinus / Q000503:physiopathology*; D006801:Humans; D008297:Male; D010138:Pacemaker, Artificial; D013575:Syncope / Q000503:physiopathology* / Q000628:therapy; D014661:Vasoconstriction