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Figure 7 12-Lead Electrocardiograms of PAP-VTs

(A) A 12-lead electrocardiogram of a ventricular tachycardia (VT) (cycle length 275 ms) involving a posteromedial papillary muscle (PAP). There was a right bundle branch block morphology with superior axis and Q waves in the inferior leads. (B) A 12-lead electrocardiogram of a VT (CL 420 ms) involving an anterolateral PAP. There was a right bundle branch block morphology with inferior axis.