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. Author manuscript; available in PMC: 2017 Aug 8.
Published in final edited form as: JACC Basic Transl Sci. 2017 Jun 26;2(3):258–269. doi: 10.1016/j.jacbts.2017.02.002

Figure 3.

Figure 3

Loss of 1:1 pacing capture during hypokalemia: A. Representative optical action potentials recorded at progressively faster pacing rates (1.0–6.0 Hz) from Ctrl, MI and MI/iAL wedges during hypokalemia. B. Incidence of pacing-induced loss of 1:1 capture in Ctrl (n=7), MI (n=5) and MI/iAL (n=7) preparations.