Fig. 1From: Effects of cardioactive drugs on human induced pluripotent stem cell derived long QT syndrome cardiomyocytesBaseline cardiac parameters. a The beating rate (BR) of the cardiomyocyte clusters differentiated from each human induced pluripotent stem cell (hiPSC) line. b The rate-corrected field potential duration (cFPD) for the same cardiomyocyte clusters. Significance level is indicated by ***p < 0.001Back to article page