Nudging to Promote the Use of Transcutaneous Electrical Nerve Stimulation for Postoperative Pain Relief

This study is testing whether simple reminders (nudges) can encourage healthcare staff and patients to use a drug-free pain relief method called TENS (transcutaneous electrical nerve stimulation) after urological surgery. **You may be eligible if...** - You are a healthcare worker in the participating department, OR - You are 18 years or older and scheduled to have a urological procedure under anesthesia **You may NOT be eligible if...** - You do not give consent to participate - You are currently pregnant - You cannot speak or understand Swedish - You have an electronic implant such as a pacemaker or defibrillator - You regularly use opioid pain medications before surgery - You have a chronic pain condition or known substance use disorder - You have reduced feeling in the area where TENS would be applied Talk to your doctor to see if this trial is right for you.