I once thought about editing a book entitled ‘Mistakes in the Management of Neurological Disorders’. I planned to ask various neurologists to contribute a case history where a mistake had been made and what had been learned from it. I thought the author for each case should be anonymous, but I planned to have two lists at the beginning of the book – all the authors who had accepted my challenge (including me) and, more revealingly, all the authors who had not. Like many of my crazed ideas, this one never took off but I was reminded of it last year when I heard David Chadwick describe the patient which he has now written up for us on page 155. We all live in fear of missing the long QT syndrome because it is rare and can be fatal, and yet …