title: Antiarrhythmic drug action. Blockade of the inward sodium current.
mesh_terms: D000200:Action Potentials; D000818:Animals; D000889:Anti-Arrhythmia Agents / Q000494:pharmacology*; D016275:Atrial Function; D002118:Calcium / Q000494:pharmacology; D002462:Cell Membrane / Q000502:physiology; D002463:Cell Membrane Permeability; D004553:Electric Conductivity; D005544:Forecasting; D006321:Heart / Q000502:physiology; D006339:Heart Rate / Q000187:drug effects; D006863:Hydrogen-Ion Concentration; D007473:Ion Channels / Q000187:drug effects* / Q000502:physiology; D007700:Kinetics; D008012:Lidocaine / Q000494:pharmacology; D008564:Membrane Potentials / Q000187:drug effects; D008954:Models, Biological; D011188:Potassium / Q000378:metabolism; D011342:Procainamide / Q000494:pharmacology; D011690:Purkinje Fibers / Q000502:physiology; D011802:Quinidine / Q000494:pharmacology; D011955:Receptors, Drug / Q000502:physiology; D012964:Sodium / Q000378:metabolism*
chemical_list: D000889:Anti-Arrhythmia Agents; D007473:Ion Channels; D011955:Receptors, Drug; D008012:Lidocaine; D012964:Sodium; D011802:Quinidine; D011342:Procainamide; D011188:Potassium; D002118:Calcium