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Figure 3 Induction of AF by Programmed Stimulation
Programmed stimulation with a pulmonary vein after the presence of short-lasting atrial fibrillation (AF). The extrastimulus with a coupling interval of 140 ms induces AF (indicated by an asterisk), which is characterized by a complex fractionation and a short AF cycle length during the initial beats (145 ms), which is markedly faster than the AF cycle length of the atria (CS = 230 ms, HRA = 210 ms). Abbreviations as in Figure 2.
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