1. Normal ventricular repolarization and QT interval: ionic background, modifiers and measurements;Locati;Card Electrophysiol Clin,2017
2. Sick sinus syndrome;De Ponti;Card Electrophysiol Clin,2017
3. Atrio ventricular nodal conduction disease;Bagliani;Card Electrophysiol Clin,2017
4. Intraventricular delays ansd blocks;Leonelli;Card Electrophysiol Clin,2017
5. Paroxysmal atrioventricular block;Lee;Heart Rhythm,2009