title: Cardioactive substances that prolong the open state of sodium channels.
mesh_terms: D000818:Animals; D002118:Calcium / Q000378:metabolism; D002317:Cardiovascular Agents / Q000494:pharmacology*; D055598:Chemical Phenomena; D002621:Chemistry; D006321:Heart / Q000187:drug effects; D006801:Humans; D007473:Ion Channels / Q000187:drug effects*; D009200:Myocardial Contraction / Q000187:drug effects; D012508:Sarcolemma / Q000378:metabolism; D012964:Sodium / Q000378:metabolism*; D014118:Toxins, Biological / Q000494:pharmacology
chemical_list: D002317:Cardiovascular Agents; D007473:Ion Channels; D014118:Toxins, Biological; D012964:Sodium; D002118:Calcium