Aidan’s Triathlon - raising money for research into Brugada Syndrome in aid of Sienna Beau Crook I'm fundraising because Sienna was diagnosed with a life threatening and incurable heart condition, Brugada Syndrome, following a cardiac arrest at just 14 months old. Following Sienna’s diagnosis genetic testing was undertaken for the family which identified Sienna’s Mummy, brother, grandad and great auntie also has this heart condition. Sienna has also been diagnosed with several other serious heart conditions. Manage Cookie Preferences Do you have a spare five minutes to help us improve our website?I'll do itNo thanks