EUROPACE, cilt.5, sa.1, ss.11-16, 2003 (SCI-Expanded)
Aim We thought, that analysis of surface electrocardiograms recorded immediately after electrical external cardio-version (EC) might enlighten the mechanisms responsible for immediate recurrence of atrial fibrillation (AF) and especially to test whether atrial ectopic beats (PAC) with long-short (LS) sequence are related to the recurrence of arrhythmia after cardioversion in patients with chronic AF.