What are the advantages of a demand pacemaker?

A demand pacemaker offers several advantages, primarily its ability to respond to the body's physiological needs by only pacing the heart when it detects a slow heartbeat. This on-demand functionality helps conserve battery life, extending the device's lifespan. Additionally, it allows for a more natural heart rhythm, reducing the risk of potential complications associated with constant pacing. Overall, demand pacemakers enhance patient comfort and promote better cardiac function.