title: Mechanism and site of origin of bigeminal rhythms in cyclopropane-sensitized dogs.
mesh_terms: D000818:Animals; D001145:Arrhythmias, Cardiac / Q000139:chemically induced / Q000209:etiology*; D003521:Cyclopropanes; D004285:Dogs; D004562:Electrocardiography; D004837:Epinephrine; D005260:Female; D006329:Heart Conduction System / Q000503:physiopathology*; D006346:Heart Septum / Q000503:physiopathology*; D008297:Male; D014630:Vagus Nerve / Q000503:physiopathology; D014927:Wolff-Parkinson-White Syndrome
chemical_list: D003521:Cyclopropanes; D004837:Epinephrine