Figure 2

Ca2+ oscillations in cardiac beating syncytia. (A) Representative tracing of spontaneous Ca2+ spikes recorded in CTR or in the presence of either 1 or 2 µg/mL Aroclor. (B) Mean ± SE of the amplitude of the Ca2+ peaks recorded under the designated treatments. (C) Mean ± SE of the frequency of spontaneous Ca2+ spikes. *p < 0.05.