Parkinson's tremor mimicking torsades de pointes.

A 72-year-old woman with Parkinson's disease presented to outpatients with a history of falls. The falls were not associated with loss of consciousness, and the history suggested gait and balance problems leading to falls. A 12-lead electrocardiogram, as shown in Figure 1, had the appearance of torsades de pointes. However, the patient was cardiologically asymptomatic, and the electrocardiogram appearance was thought to be caused by a Parkinson's disease-associated artefact.