0539_004_020_ECG 2 256 921600 0539_004_020_ECG.mat 16+24 52.55933745933135 16 -225 927 611170497 0 ECGL 0539_004_020_ECG.mat 16+24 70.20903053668195 16 8134 11640 8623216640 0 ECGR #Utility frequency: 60 #Start time: 20:00:00 #End time: 20:59:59