title: Stress testing of distal conduction by intravenous ajmaline.
mesh_terms: D000328:Adult; D000368:Aged; D000404:Ajmaline / Q000008:administration & dosage; D004594:Electrophysiology; D005260:Female; D006327:Heart Block / Q000175:diagnosis* / Q000628:therapy; D006801:Humans; D008297:Male; D008875:Middle Aged; D010138:Pacemaker, Artificial
chemical_list: D000404:Ajmaline