8_13-14-48_ecg 4 1000 29993 8_13-14-48_ecg.dat 32 6990.5(0)/mV 32 0 -21901 30023 0 I 8_13-14-48_ecg.dat 32 6990.5(0)/mV 32 0 19295 1552 0 II 8_13-14-48_ecg.dat 32 6990.5(0)/mV 32 0 -49836 12295 0 V3 8_13-14-48_ecg.dat 32 6990.5(0)/mV 32 0 -46961 18951 0 V4