![Figure 1. Ca signaling during ECC in atrial myocytes. (A) Transverse tubule staining in ventricular and atrial myocytes with the membrane-bound fluorescent dye Di-8-ANEPPS. (B) Transverse (c) confocal line scan image of an atrial AP-induced CaT. Electrical stimulation triggered a "U"-shaped CaT (b), indicating that [Ca]i increased first at the cell periphery (a) before propagating toward the center of the myocyte. (d) Local CaTs (top) originating from subsarcolemmal (SS) j-SR and central (CT) nj-SR regions and the Ca signal averaged over the entire width of the cell (bottom). (C) Spatiotemporal pattern of an AP-induced atrial CaT visualized by two-dimensional confocal microscopy. Reproduced from Blatter et al. (2003).](https://cdn.rupress.org/rup/content_public/journal/jgp/149/9/10.1085_jgp.201711809/6/jgp_201711809_fig1.jpeg?Expires=1767669857&Signature=zZWV6SXQ~gQC6fQP7WUVrKElWRTs9L6CYe6p2nLN0Mcv6-Z-AM0sioSCRA0NmTRIj1tZ~lyAn2AgKnRQ2PMzEmaWhMlJSXeY0zswAqUuaNQJF7jqed-guvCv-tkfislfiypIqTT2JeJcXWfeoxsffMRtm4w0W5y1XZmNfkTI2RzhTCS0vhNqbdd6yrUl1UxJYJ-u~j7oGLvMdu-sOVRWH20fZ1HjJPjTD2kaxRijjaHvCQJjVya8vN-ZODArkbJxkLHoY4zEP8~PAT8Qn3lmASeDyg3FklpSOpFEB-w4XQdh46RtfTMrbBO4xVjVkeJjvSD3NDwAH8p81UKwRm0-1A__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA)
Figure 1.
Ca signaling during ECC in atrial myocytes. (A) Transverse tubule staining in ventricular and atrial myocytes with the membrane-bound fluorescent dye Di-8-ANEPPS. (B) Transverse (c) confocal line scan image of an atrial AP-induced CaT. Electrical stimulation triggered a "U"-shaped CaT (b), indicating that [Ca]i increased first at the cell periphery (a) before propagating toward the center of the myocyte. (d) Local CaTs (top) originating from subsarcolemmal (SS) j-SR and central (CT) nj-SR regions and the Ca signal averaged over the entire width of the cell (bottom). (C) Spatiotemporal pattern of an AP-induced atrial CaT visualized by two-dimensional confocal microscopy. Reproduced from Blatter et al. (2003).
