title: Procainamide and the sinus node.
mesh_terms: D000368:Aged; D001146:Arrhythmia, Sinus / Q000139:chemically induced*; D006801:Humans; D007676:Kidney Failure, Chronic / Q000150:complications; D008012:Lidocaine / Q000494:pharmacology; D011342:Procainamide / Q000009:adverse effects / Q000097:blood / Q000494:pharmacology*; D012849:Sinoatrial Node / Q000187:drug effects*
chemical_list: D008012:Lidocaine; D011342:Procainamide