Model Mathematics

Component: environment

Component: membrane

ddtimeV=-i_Ca_L+i_Ca_T+i_K_DR+i_K_Ca+i_leakCm

Component: L_type_calcium_current

i_Ca_L=g_Ca_Lm_L2phi_Ca phi_Ca=VCa_i-Ca_e-2FVRT1--2FVRT

Component: L_type_calcium_current_m_gate

ddtimem_L=m_L_infinity-m_Ltau_m_L m_L_infinity=11+V_m_L-Vk_m_L tau_m_L=tau_m_L_maxV-V_tauk_tau+22V_tau-Vk_tau

Component: T_type_calcium_current

i_Ca_T=g_Ca_Tm_T2h_Tphi_Ca

Component: T_type_calcium_current_m_gate

ddtimem_T=m_T_infinity-m_Ttau_m_T m_T_infinity=11+V_m_T-Vk_m_T tau_m_T=tau_m_T_maxV-V_tauk_tau+22V_tau-Vk_tau

Component: T_type_calcium_current_h_gate

ddtimeh_T=h_T_infinity-h_Ttau_h_T h_T_infinity=11+V-V_h_Tk_h_T

Component: voltage_sensitive_K_current

i_K_DR=g_K_DRnphi_K phi_K=VK_i-K_e-1FVRT1--1FVRT

Component: voltage_sensitive_K_current_n_gate

ddtimen=n_infinity-ntau_n n_infinity=11+V_n-Vk_n

Component: Ca_activated_K_current

i_K_Ca=g_K_CaCa_i4Ca_i4+Kc4phi_K

Component: leak_current

i_leak=g_LV-V_L

Component: ER_calcium

ddtimeCa_er=-f_erV_erJ_rel-J_up J_rel=PCa_er-Ca_i J_up=v_erCa_i2Ca_i2+K_er2 V_er=V_cell0.15

Component: cytosolic_calcium

ddtimeCa_i=f_cytV_cJ_rel-J_up+f_cytbetaJ_in-J_eff J_in=-alphai_Ca_L+i_Ca_T J_eff=v_pCa_i2Ca_i2+K_p2 V_c=V_cell0.85