Table 5.

Summary of all the fitted parameters in the AB model

AB fitted parameters
Parameter	Unit	Definition
$g_{\mathrm{NCX}}=0.0456\times {10}^{-3}$	μm 3 ms–1	Pump rate of NCX
$g_{\mathrm{PMCa}}=0.005\times {10}^{-3}$	μm 3 ms–1	Maximum pump rate of sarcolemmal pump
$K_{\mathrm{PMCa}}=0.35\times {10}^{-3}$	mm	Half‐saturation of sarcolemmal pump
$g_{\mathrm{SERCA}1}=0.49\times {10}^{-3}$	μm 3 ms–1	Maximum pump rate of SERCA at 1 Hz
$K_{\mathrm{SERCA}1}=0.44\times {10}^{-3}$	mm	Half‐saturation of SERCA at 1 Hz
$g_{\mathrm{SERCA}6}=0.49\times {10}^{-3}$	μm 3 ms–1	Maximum pump rate of SERCA at 6 Hz
$K_{\mathrm{SERCA}6}=0.25\times {10}^{-3}$	mm	Half saturation of SERCA at 6 Hz
$J_{\mathrm{L}}=12\times {10}^{-4}$	μm 3 ms–1	Permeability of single LCC
$K_{\mathrm{L}}=0.00016$	mm	Concentration at inactivation LCC
$V_{\mathrm{L}}=-13$	mV	Potential when half LCC open
${\delta }_{\mathrm{VL}}=7$	mV	Width of opening potential
${\phi }_{\mathrm{L}}=11.5$	Unitless	Proportion of time closed in open mode LCC
${\tau }_{\mathrm{L}}=1550$	ms	Inactivation time
$g_{\mathrm{D}}=0.1$	μm 3 ms–1	Permeability of the leak current from the dyadic space
$g_{\mathrm{SRL}}=1\times {10}^{-6}$	ms–1	Rate of leak from the SR to the cytosol
$g_{\mathrm{CaB}}=6\times {10}^{-9}$	mm mV–1 ms–1	Background Ca2+ current rate
$g_{\mathrm{t}}=1.4\times {10}^{-5}$	mS	Permeability of the transient outward potassium current
$g_{\mathrm{ss}}=1.0\times {10}^{-6}$	mS	Permeability of the steady state potassium current
$g_{\mathrm{K}1}=1.5\times {10}^{-5}$	mS	Permeability of the inward rectifying current
$g_{\mathrm{Na}}=0.0002$	mS	Permeability of the inward sodium current