Y.S., C.A., and J.C.S. CB, chromanol 293B; Ran, ranolazine. The contribution of late em I /em Na to EAD formation in phase 3 of the ventricular AP is unclear. In phase 3, L-type Ca2+ channel activation and Ca2+ window current are negligible.62 The more negative membrane Lesinurad potential during phase 3 relative to phase 2… Continue reading Y