9_13-52-23_ecg 4 1000 29993 9_13-52-23_ecg.dat 32 6990.5(0)/mV 32 0 -837 7462 0 I 9_13-52-23_ecg.dat 32 6990.5(0)/mV 32 0 80098 2856 0 II 9_13-52-23_ecg.dat 32 6990.5(0)/mV 32 0 -70842 50630 0 V3 9_13-52-23_ecg.dat 32 6990.5(0)/mV 32 0 -84801 23783 0 V4