Sick sinus syndrome.
D000889:Anti-Arrhythmia Agents / Q000627:therapeutic use; D001145:Arrhythmias, Cardiac / Q000150:complications; D002304:Cardiac Pacing, Artificial; D004071:Digitalis Glycosides / Q000627:therapeutic use; D004562:Electrocardiography; D006801:Humans; D008094:Lithium / Q000627:therapeutic use; D012804:Sick Sinus Syndrome / Q000150:complications / Q000175:diagnosis / Q000188:drug therapy
D000889:Anti-Arrhythmia Agents; D004071:Digitalis Glycosides; D008094:Lithium