0748_036_045_ECG 2 256 921600 0748_036_045_ECG.mat 16+24 74926.21534475878 16 852 -2229 784041898 0 ECG1 0748_036_045_ECG.mat 16+24 75879.34132133171 16 5042 3253 4645990858 0 ECG2 #Utility frequency: 60 #Start time: 45:00:00 #End time: 45:59:59