title: Effects of lidocaine and propranolol on the normal and anomalous pathways in patients with preexcitation.
mesh_terms: D000293:Adolescent; D000328:Adult; D000889:Anti-Arrhythmia Agents / Q000627:therapeutic use*; D001145:Arrhythmias, Cardiac / Q000188:drug therapy*; D006328:Cardiac Catheterization; D004562:Electrocardiography; D005260:Female; D006329:Heart Conduction System / Q000187:drug effects*; D006339:Heart Rate / Q000187:drug effects; D006801:Humans; D008012:Lidocaine / Q000627:therapeutic use*; D008297:Male; D008875:Middle Aged; D010138:Pacemaker, Artificial; D011433:Propranolol / Q000627:therapeutic use*
chemical_list: D000889:Anti-Arrhythmia Agents; D008012:Lidocaine; D011433:Propranolol