Summary:

- The article discusses a new injectable pacemaker device that can be implanted in the heart to treat various heart conditions, including irregular heartbeats and heart failure.
- The device, called the Micra AV, is a leadless pacemaker that is small enough to be injected directly into the heart through a minimally invasive procedure, eliminating the need for traditional pacemaker surgery.
- The article highlights the benefits of the Micra AV, such as its small size, reduced risk of complications, and improved patient comfort and mobility compared to traditional pacemakers.