Anna Shackley begins recounting what she now remembers as “the worst day of my life”. It came in March last year, and played out in a hospital in Barcelona. Then still 22 years old, the Scot was undergoing a procedure to fix a cardiac arrhythmia, an irregular heartbeat, that had been detected two months prior.
“They call it an ablation,” she says of the procedure. “They go in through your artery in your leg, into the heart, and they burn the section that’s causing the extra beat.
