Drugs and E.C.G.
D001145:Arrhythmias, Cardiac / Q000139:chemically induced*; D004071:Digitalis Glycosides / Q000009:adverse effects; D064420:Drug-Related Side Effects and Adverse Reactions; D004562:Electrocardiography; D006801:Humans; D011802:Quinidine / Q000009:adverse effects
D004071:Digitalis Glycosides; D011802:Quinidine