title: Specialized tissues and preferential conduction in the atria of the heart.
mesh_terms: D000328:Adult; D000368:Aged; D000818:Animals; D001001:Anura; D001145:Arrhythmias, Cardiac / Q000175:diagnosis; D001161:Arteriosclerosis / Q000150:complications; D016275:Atrial Function; D001717:Birds; D002037:Bundle-Branch Block / Q000150:complications; D006332:Cardiomegaly / Q000150:complications; D002648:Child; D004285:Dogs; D004562:Electrocardiography; D005260:Female; D000882:Haplorhini; D006321:Heart / Q000187:drug effects; D006325:Heart Atria / Q000033:anatomy & histology; D006327:Heart Block / Q000209:etiology; D006329:Heart Conduction System / Q000502:physiology*; D006339:Heart Rate; D006736:Horses; D006801:Humans; D008297:Male; D008839:Microelectrodes; D008854:Microscopy, Electron; D008875:Middle Aged; D009203:Myocardial Infarction / Q000150:complications; D009205:Myocarditis / Q000150:complications; D011188:Potassium / Q000494:pharmacology; D011689:Purkinje Cells; D011817:Rabbits; D051381:Rats; D014426:Turtles
chemical_list: D011188:Potassium