i_f i_K i_K1 i_Na_b i_Ca_b i_p i_NaCa i_Na i_si C R T F speed_y alpha_y 1 y beta_y y 0.014 V 16 9.75 V 19 i_fNa i_fK y 2 Kc Kc Km_f g_f_Na V E_Na RTONF Nao Nai RTONF Kc Ki y 2 Kc Kc Km_f g_f_K V E_K alpha_x 1 x beta_x x 2.1 V 28 0.96 V 24 x I_K i_K_max Ki Kc V RTONF 140 g_K1 Kc Kc Km_K1 V E_K 1 V 10 E_K 2 RTONF g_Nab V E_Na g_Cab V E_Ca 0.5 RTONF Cao Cai I_p Kc K_mK Kc Nai K_mNa Nai K_NaCa gamma n_NaCa 2 V RTONF Nai n_NaCa Cao gamma 1 n_NaCa 2 V RTONF Nao n_NaCa Cai 1 d_NaCa Cai Nao n_NaCa Cao Nai n_NaCa 1 Cai 0.0069 alpha_m 1 m beta_m m 2000 E0_m delta_m 200 E0_m 1 -0.1 E0_m 8000 -0.056 V 66 V 41 alpha_h 1 h beta_h h 20 -0.125 V 75 2000 320 -0.1 V 75 1 g_Na m 3 h V E_mh RTONF Nao 0.12 Kc Nai 0.12 Ki alpha_d 1 d beta_d d 120 E0_d delta_d 30 E0_d 1 -1 E0_d 4 120 E0_d delta_d 12 E0_d E0_d 10 1 V 24 5 alpha_f 1 f beta_f f 25 E0_f delta_f 6.25 E0_f E0_f 4 1 50 1 -1 V 34 4 V 34 alpha_f2 f2 alpha_f2 beta_f2 Cai alpha_f2 K_mf2 i_siCa i_siK i_siNa 4 P_si V 50 RTONF 1 -1 V 50 2 RTONF Cai 100 RTONF Cao -2 V 50 RTONF d f f2 0.01 P_si V 50 RTONF 1 -1 V 50 RTONF Ki 50 RTONF Kc -1 V 50 RTONF d f f2 0.01 P_si V 50 RTONF 1 -1 V 50 RTONF Nai 50 RTONF Nao -1 V 50 RTONF d f f2 -1 i_Na i_Na_b i_fNa i_siNa i_p 3 i_NaCa n_NaCa n_NaCa 2 1 Vi F 3.141592654 radius 2 length V_Cell 1 V_e_ratio -1 i_siCa i_Ca_b 2 i_NaCa n_NaCa 2 i_rel i_up 2 1 Vi F Vi 0.05 Vi 0.02 2 1 Vi F 1 tau_up Ca_up_max Cai Ca_up_max Ca_up 2 1 V_rel F 1 tau_rep p Ca_up Ca_rel 2 1 V_rel F 1 tau_rel Ca_rel Cai rCa Cai rCa K_mCa rCa 1 i_up i_tr 2 1 V_up F 1 i_tr i_rel 2 1 V_rel F alpha_p 1 p beta_p p 0.625 E0_p E0_p 4 1 5 1 -1 E0_p 4 V 34 -30 -1 i_mK 1 Vi F i_K1 i_K i_fK i_siK 2 i_p