Figure 2.

DF organization during 10 mM [K⁺]_o. (A) Volume conductor electrocardiograms recorded during control (left) and 10 mM [K⁺]_o VF (center) and VT (right). (B) Representative DF maps generated during normokalemic (4 mM [K⁺]_o) and 10 mM [K⁺]_o VF (center) and VT (right). (C) Mean rate of SP density in LV-RV junction, LV, and RV regions identified during control and 10 mM [K⁺]_o VF. ^∗p < 0.036 versus control. ^¶p < 0.019 versus LV and LV-RV junction.