Rarity and phenotypic heterogeneity provide challenges in the diagnosis of Andersen–Tawil syndrome: Two cases presenting with ECGs mimicking catecholaminergic polymorphic ventricular tachycardia (CPVT). (15th December 2015) - Tully, I.; Atherton, J.; Hunt, L.; Ingles, J.; Semsarian, C.; McGaughran, J.