Iatrogenic 'torsade de pointes' ventricular tachycardia.
D000368:Aged; D001145:Arrhythmias, Cardiac / Q000139:chemically induced / Q000209:etiology*; D004554:Electric Countershock / Q000009:adverse effects; D004562:Electrocardiography; D005260:Female; D006352:Heart Ventricles; D006801:Humans; D007049:Iatrogenic Disease; D008297:Male; D008875:Middle Aged; D013614:Tachycardia, Paroxysmal / Q000175:diagnosis / Q000209:etiology