0748_012_022_ECG 2 256 921600 0748_012_022_ECG.mat 16+24 60737.81277111591 16 -3327 -9893 -3066345222 0 ECG1 0748_012_022_ECG.mat 16+24 77230.18808394861 16 6764 4001 6234473358 0 ECG2 #Utility frequency: 60 #Start time: 22:00:00 #End time: 22:59:59