title: Circus movement in rabbit atrial muscle as a mechanism of tachycardia. III. The "leading circle" concept: a new model of circus movement in cardiac tissue without the involvement of an anatomical obstacle.
mesh_terms: D000200:Action Potentials / Q000187:drug effects; D000818:Animals; D002217:Carbachol / Q000008:administration & dosage; D004195:Disease Models, Animal; D004305:Dose-Response Relationship, Drug; D004558:Electric Stimulation; D004562:Electrocardiography; D006325:Heart Atria / Q000503:physiopathology*; D006327:Heart Block / Q000503:physiopathology; D006329:Heart Conduction System / Q000503:physiopathology*; D006339:Heart Rate / Q000187:drug effects; D008564:Membrane Potentials / Q000187:drug effects; D011817:Rabbits; D013614:Tachycardia, Paroxysmal / Q000503:physiopathology*; D013696:Temperature; D013779:Tetrodotoxin / Q000008:administration & dosage
chemical_list: D013779:Tetrodotoxin; D002217:Carbachol