title: Mechanisms for impulse initiation in isolated human atrial fibers.
mesh_terms: D000109:Acetylcholine / Q000494:pharmacology; D000200:Action Potentials; D000293:Adolescent; D000328:Adult; D002219:Carbamates / Q000494:pharmacology; D002648:Child; D002675:Child, Preschool; D004594:Electrophysiology; D004837:Epinephrine / Q000494:pharmacology; D006325:Heart Atria / Q000503:physiopathology; D006329:Heart Conduction System / Q000503:physiopathology*; D006339:Heart Rate / Q000187:drug effects; D006801:Humans; D007223:Infant; D008012:Lidocaine / Q000494:pharmacology; D008875:Middle Aged; D009200:Myocardial Contraction; D011759:Pyrrolidines / Q000494:pharmacology; D013779:Tetrodotoxin / Q000494:pharmacology; D013997:Time Factors; D014700:Verapamil / Q000494:pharmacology
chemical_list: D002219:Carbamates; D011759:Pyrrolidines; C006169:AHR-2666; D013779:Tetrodotoxin; D008012:Lidocaine; D014700:Verapamil; D000109:Acetylcholine; D004837:Epinephrine