PMC7308758_01
The electrocardiogram prior to antiarrhythmic treatment. The electrocardiogram shows a short PR interval, a delta wave, wide QRS complex, and ST depression.
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A 25-year-old woman with WPW syndrome (Figure 1) presented to our urology clinic complaining of a nine-year history of nonobstructive urinary retention.
The urodynamic study. A summary of the urodynamic study showing a postvoid residual volume of 487 mL with a voided volume of only 1.4 mL and almost no measurable detrusor pressure.
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Despite a bladder volume greater than 487 mL, the patient had no urge to void, and her electromyographic study was normal (Figure 2).
Electrocardiograms with the sacral neuromodulation device in both on and off modes. (A) An electrocardiogram performed with the sacral neuromodulation implant in "off" mode shows no changes and a sinus rhythm in a patient on antiarrhythmic medication. (B) An electrocardiogram performed with the sacral neuromodulation implant in "on" mode shows no changes and a sinus rhythm in a patient on antiarrhythmic medication.
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Furthermore, the one-month postoperative ECGs, which were performed when the SNM device was on and then when the device was off, showed no changes in her cardiac rhythm (Figure 3).