Electrophysiological effects of disopyramide and quinidine on guinea pig atria and canine cardiac purkinje fibers. Dependence on underlying cholinergic tone.
D000200:Action Potentials / Q000187:drug effects; D000818:Animals; D001285:Atropine / Q000494:pharmacology; D004206:Disopyramide / Q000494:pharmacology*; D004285:Dogs; D004594:Electrophysiology; D005260:Female; D006168:Guinea Pigs; D006325:Heart Atria / Q000187:drug effects; D006329:Heart Conduction System / Q000187:drug effects*; D006339:Heart Rate / Q000187:drug effects; D008297:Male; D010276:Parasympatholytics; D010830:Physostigmine / Q000494:pharmacology; D011342:Procainamide / Q000494:pharmacology; D011690:Purkinje Fibers / Q000187:drug effects*; D011725:Pyridines / Q000494:pharmacology*; D011802:Quinidine / Q000494:pharmacology*
D010276:Parasympatholytics; D011725:Pyridines; D001285:Atropine; D010830:Physostigmine; D004206:Disopyramide; D011802:Quinidine; D011342:Procainamide