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Figure 2 Pooled data of the filtered P wave duration (panel A) by the time domain analysis and AR20 (panel B) by the frequency domain analysis in controls, and patients with AVNRT, AVRT or PAF. Filtered P wave duration was significantly longer in AVRT than in controls and AVNRT, but was similar between AVRT and PAF. AR20 was not different between in AVNRT and AVRT, but was significantly greater in PAF than in AVRT.
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