Figure 2.
EGMs during LAA pacing at a pacing cycle length of 600 ms demonstrating a Wenckebach periodicity at the endocardial MI lesion. Note that the intervals between the stimulus and far-field LA EGMs recorded in the CS 1-2 to CS 5-6 gradually prolong and shorten again (numbers), indicating a Wenckebach periodicity at the posterior MI lesion.