Long-term proarrhythmic pharmacotherapy among patients with congenital long QT syndrome and risk of arrhythmia and mortality

Peter E Weeke, Jesper S Kellemann, Camilla Bang Jespersen, Juliane Theilade, Jørgen K Kanters, Michael Skov Hansen, Michael Christiansen, Peter Marstrand, Gunnar H Gislason, Christian Torp-Pedersen, Henning Bundgaard, Henrik K Jensen, Jacob Tfelt-Hansen