Dual-chamber pacing for symptomatic bradyarrhythmias.
D000293:Adolescent; D000328:Adult; D000368:Aged; D001919:Bradycardia / Q000628:therapy*; D005260:Female; D006327:Heart Block / Q000628:therapy; D006801:Humans; D008297:Male; D008875:Middle Aged; D010138:Pacemaker, Artificial; D012804:Sick Sinus Syndrome / Q000628:therapy