Madias John E
Mount Sinai School of Medicine of the New York University and Division of Cardiology, Elmhurst Hospital Center, New York, NY, USA.
J Electrocardiol. 2008 Sep-Oct;41(5):401-3. doi: 10.1016/j.jelectrocard.2008.02.029. Epub 2008 Apr 28.
Serial electrocardiograms (ECGs) obtained in a 79-year-old woman revealed consistently sharp regular high-voltage spikes, which were superimposed on her ECG curve, and which were caused by an implanted pelvic electrical stimulator used for the management of a neurogenic bladder, with symptoms of urinary urgency and incontinence.