Seth was 10 when he collapsed on the schoolyard without warning. As a baby, he’d been diagnosed with a disease in which the heart can suddenly quit. Some people with his condition can go their whole lives without experiencing this. Others die from it. And there’s no way of knowing who’s at risk – until now.

(To advance breakthrough research and care like this, please visit SickKidsFoundation.com/podcast. SickKids VS is generously sponsored by CIBC and edited by Quill.)