The WiSE®-UP Registry (The WiSE System Utilization & Performance Registry)

This is a registry study — meaning it collects real-world data rather than testing a new treatment — following patients who receive the WiSE System, a wireless implantable pacemaker that delivers electrical signals directly to the left side of the heart. The goal is to track how well the device works in routine clinical practice. **You may be eligible if...** - Your doctor has decided that the WiSE pacemaker system is the right device for your heart condition - You passed the acoustic window screening required for the device to work - You or your legal representative can provide written consent - You are available for follow-up visits - Your life expectancy is more than 1 year - You are not currently in another drug or device study that might affect the results **You may NOT be eligible if...** - You are in a conflicting concurrent clinical study - You are not accessible for follow-up care - Local laws prevent your participation Talk to your doctor to see if this trial is right for you.