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. Author manuscript; available in PMC: 2016 Feb 27.
Published in final edited form as: Circ Res. 2014 Dec 22;116(5):846–856. doi: 10.1161/CIRCRESAHA.116.305404

Figure 1. Simultaneous recordings of APD and CaT alternans in cardiac myocytes.

Figure 1

A, C: Simultaneously recorded APs and CaTs in current-clamped atrial (A) and ventricular (C) myocytes. B, D: Superimposed AP traces recorded during large (black, APCaT_Large) and small (grey, APCaT_Small) amplitude CaTs from atrial (B) and ventricular (D) myocytes. AP waveforms are derived as an average of three consecutive APCaT_Large or APCaT_Small recordings.