[Cardiac arrhythmias. Torsade de pointes caused by hypokalemia].
D004562:Electrocardiography; D006801:Humans; D007008:Hypokalemia / Q000150:complications* / Q000175:diagnosis / Q000209:etiology; D008275:Magnesium Deficiency / Q000150:complications; D012307:Risk Factors; D016171:Torsades de Pointes / Q000175:diagnosis / Q000209:etiology*