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Figure 6


Fig. 6. Characteristics of SCTs observed during superfusion with digoxin. (A,B) Average frequency of SCTs (mean ± s.e.m.; n=8 cells) during continuous superfusion of isolated ventricular myocytes with either (A) 1 µM or (B) 10 µM digoxin. (C) Proportion of cells that displayed SCTs in response to 1 or 10 µM digoxin. (D) Time of occurrence of the SCTs relative to the previous field-stimulation-evoked Ca2+ signal.