Table 3.

Exchanger, uptake, and SR leak parameters.

Parameter	Definition	Value
cup	Uptake threshold	0.5 μM
vup	Strength of Uptake	0.4 μM/ms
gNaCa	Strength of exchange current	0.84 μM/s
ksat	constant	0.2
ξ	constant	0.35
Km,Nai	constant	12.3 mM
Km,Nao	constant	87.5 mM
Km,Cai	constant	0.0036 mM
Km,Cao	constant	1.3 mM
cnaca	constant	0.3 μM
gl	Strength of leak current	2.07 × 10−5 (ms)−1
kj	Threshold for leak onset	50 μM