For example, in the case of a posteroseptal AP where coronary sinus activation sequence may appear unchanged due to inadequate sampling in the vicinity of the AP. vi In this case "V" is advanced ...

Background— Atrial dilatation is an important risk factor for atrial fibrillation (AF). In the present study, we monitored the electrophysiological changes during progressive atrial dilatation in ...

From Deutsches Herzzentrum München and 1 Medizinische Klinik, Klinikum rechts der Isar, Technische Universität München, Munich, Germany.