Figure 7: Cisapride, dofetilide, sotalol and quinidine affected SCOs in primary cultured rat cardiomyocytes.

Representative traces of cisapride (A), dofetilide (B), sotalol (C) and quinidine (D) induced alterations in Ca2+ dynamics as a function of time. Concentration-response relationship curves of cisapride, dofetilide, sotalol and quinidine responses in SCO frequency (E), amplitude (F) and duration (G). This experiment was repeated in three independent cultures each with three replicates.