To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 2 High-speed video imaging of ventricular area of kcnj8+/- KI zebrafish. Three entire cardiac cycles are shown which are slowed down by a factor of 10. Effective CRISPR/Cas9-based nucleotide editing in zebrafish to model human genetic cardiovascular disorders Federico Tessadori, Helen I. Roessler, Sanne M. C. Savelberg, Sonja Chocron, Sarah M. Kamel, Karen J. Duran, Mieke M. van Haelst, Gijs van Haaften, and Jeroen Bakkers Disease Models and Mechanisms 2018. 11:None-None; doi: 10.1242/dmm.035469 Download Original Video