0723_003_012_ECG 2 256 763392 0723_003_012_ECG.mat 16+24 6553.4 16 0 -77 -2169348 0 ECG1 0723_003_012_ECG.mat 16+24 6553.4 16 0 531 -2103454 0 ECG2 #Utility frequency: 60 #Start time: 12:00:00 #End time: 12:49:41