Baseline electrophysiological study
All patients were in sinus rhythm at the day of the procedure. The
measured AH interval was 115 (105 - 122) ms and HV interval were 45
(45-52) ms. The measured RR intervals were 1111 (937.5 – 1395.4) ms and
the WBCL 450 (440 - 510) ms.