title: Changes in responsiveness of the heart to drugs during aging.
mesh_terms: D000375:Aging; D000818:Animals; D000889:Anti-Arrhythmia Agents / Q000494:pharmacology; D006321:Heart / Q000187:drug effects* / Q000502:physiology; D006325:Heart Atria / Q000187:drug effects; D006339:Heart Rate / Q000187:drug effects; D006352:Heart Ventricles / Q000187:drug effects; D008012:Lidocaine / Q000494:pharmacology; D008297:Male; D011802:Quinidine / Q000494:pharmacology; D051381:Rats; D011916:Rats, Inbred F344; D012849:Sinoatrial Node / Q000187:drug effects
chemical_list: D000889:Anti-Arrhythmia Agents; D008012:Lidocaine; D011802:Quinidine