title: Effect of lidocaine on the scalar orthogonal electrocardiogram.
mesh_terms: D000368:Aged; D001145:Arrhythmias, Cardiac / Q000188:drug therapy*; D004562:Electrocardiography; D005260:Female; D006321:Heart / Q000187:drug effects*; D006801:Humans; D008012:Lidocaine / Q000008:administration & dosage / Q000097:blood / Q000627:therapeutic use*; D008297:Male; D008875:Middle Aged
chemical_list: D008012:Lidocaine