AI Finds a Hidden Cause of Sudden Cardiac Death

A new study published in *Nature* uses artificial intelligence to identify people at high risk for sudden cardiac death. The AI also pinpoints a possible reason for the condition, which has long puzzled doctors. Sudden cardiac death kills hundreds of thousands of people each year. It often strikes without warning, even in people who appear healthy. Until now, doctors had no reliable way to predict who was most vulnerable. The AI analyzed thousands of heart scans and medical records. It found patterns in the heart’s structure and electrical activity that previous tests missed. These patterns could signal a high risk of sudden cardiac arrest. The research does not yet offer a cure. But it gives doctors a new tool to spot danger early. The next step is to test whether this AI can help prevent deaths in real-world clinics.