Biphasic effect of nicotine on action potential repolarization in electrically driven guinea-pig atria.
D000109:Acetylcholine / Q000494:pharmacology; D000200:Action Potentials / Q000187:drug effects*; D000818:Animals; D001285:Atropine / Q000494:pharmacology; D004558:Electric Stimulation; D004878:Ergotamine / Q000494:pharmacology; D006168:Guinea Pigs; D006321:Heart / Q000187:drug effects*; D006325:Heart Atria / Q000187:drug effects; D006584:Hexamethonium Compounds / Q000494:pharmacology; D009538:Nicotine / Q000494:pharmacology*; D009638:Norepinephrine / Q000494:pharmacology; D011433:Propranolol / Q000494:pharmacology; D000644:Quaternary Ammonium Compounds / Q000494:pharmacology; D011984:Sensory Receptor Cells / Q000187:drug effects; D012849:Sinoatrial Node / Q000187:drug effects
D006584:Hexamethonium Compounds; D000644:Quaternary Ammonium Compounds; D009538:Nicotine; D001285:Atropine; D011433:Propranolol; D000109:Acetylcholine; D004878:Ergotamine; D009638:Norepinephrine