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. 2024 Aug 19;28(16):e70005. doi: 10.1111/jcmm.70005

FIGURE 6.

FIGURE 6

Calcium sparks of atrial myocytes in the two groups. (A) Calcium spark frequency in myocytes from WT and Etv1f/fMyHCCre/+ mice pre‐conditioned by pacing at 1 Hz. (B) 3D imaging of calcium spark. (C) Calcium spark frequency between two groups (ETV1‐CKO 1.6467 ± 0.9196 sparks/100 μm/s vs. WT 0.348 ± 0.2449 sparks/100 μm/s, n = 40, p < 0.001). (D) FWHM: Half height width. (E) FDHM: Half height duration (n = 17/3 cells/mice for Etv1f/fMyHCCre/+ and n = 15/3 cells/mice for control, ***p < 0.001 vs. WT, *p < 0.05 vs. WT, by student's t‐test).