0423_021_044_ECG 2 256 921600 0423_021_044_ECG.mat 16+24 6737.000970637683 16 918 -248 845297580 0 ECG1 0423_021_044_ECG.mat 16+24 21333.055458241422 16 1108 -3923 1019304831 0 ECG2 #Utility frequency: 60 #Start time: 44:00:00 #End time: 44:59:59