St. George's Hospital, London

This study tests if a two-step hybrid ablation procedure works better than standard catheter ablation for controlling heart rhythm in people with persistent atrial fibrillation (a type of irregular heartbeat) and heart failure. About 120 adults with enlarged left atria and reduce…

This study tests whether a painless cheek swab can spot protein changes linked to inherited heart conditions that cause sudden cardiac death in young people. Researchers will collect samples from 26 patients and at-risk family members. If successful, this could replace risky hear…