Table 1.

Three type cells of RVOT free wall Ito density (pA/pF) at 0 mV and 70 mV depolarization pulses

Cell Types	Test Potential (mV)
	0 mV	70 mV
Epi Cells (n=14)	7.3±1.3*†	31.7±4.1*†
M Cells (n=14)	5.4±1.1‡	23.4±3.6‡
Endo Cells (n=12)	1.9±0.16	4.4±1.8

Values are mean±SEM;

^*P<0.05, Epi Cells vs. M Cells;

^†P<0.01, Epi Cells vs. Endo Cells;

^‡P<0.01, M Cells vs. Endo Cells.