title: Problems raised by a complex arrhythmia following quinidine cardioversion of an atrial fibrillation.
mesh_terms: D001145:Arrhythmias, Cardiac / Q000139:chemically induced / Q000209:etiology*; D001281:Atrial Fibrillation / Q000188:drug therapy*; D002908:Chronic Disease; D006801:Humans; D008297:Male; D008875:Middle Aged; D011802:Quinidine / Q000008:administration & dosage / Q000009:adverse effects* / Q000627:therapeutic use; D012804:Sick Sinus Syndrome / Q000150:complications
chemical_list: D011802:Quinidine