Ion Channels in Ventricula Cells Voltage-gated Nat channels Inward rectifier K+ channels L-type Ca2+ channels Several voltage-gated K+ channels11 Ion Channels in Ventricular Cells ➢ Voltage-gated Na+ channels ➢ Inward rectifier K+ channels ➢ L-type Ca2+ channels ➢ Several Voltage-gated K+ channels