1. Sudden arrhythmic death syndrome (SADS) accounts for 22% of sudden cardiac death in young people. 
2. Researchers analyzed 903 cases of sudden cardiac death in patients aged 1 to 36 years from 2000 to 2010 and compared them with population-based controls. 
3. Warning signs include syncope, psychiatric diagnoses, and abnormalities in electrocardiogram findings. 
4. Up to 52% of SADS patients experienced symptoms before death. 
5. Researchers suggested the potential for intervention during medical encounters to identify individuals at risk and reduce the occurrence of SADS. 

Source: Research presented at the European Society of Cardiology's ESC Preventive Cardiology 2025 congress in Milan, Italy