title: Anion antagonism--a fifth class of antiarrhythmic action?
mesh_terms: D000838:Anions / Q000378:metabolism*; D001145:Arrhythmias, Cardiac / Q000188:drug therapy*; D002412:Cations / Q000378:metabolism*; D003000:Clonidine / Q000031:analogs & derivatives* / Q000494:pharmacology / Q000627:therapeutic use; D006801:Humans; D007473:Ion Channels / Q000187:drug effects; D009200:Myocardial Contraction / Q000187:drug effects*
chemical_list: D000838:Anions; D002412:Cations; D007473:Ion Channels; C022192:alinidine; D003000:Clonidine