0748_013_023_ECG 2 256 921600 0748_013_023_ECG.mat 16+24 27608.45110522387 16 -664 379 -611109099 0 ECG1 0748_013_023_ECG.mat 16+24 65931.388991829 16 146 1358 136122378 0 ECG2 #Utility frequency: 60 #Start time: 23:00:00 #End time: 23:59:59