10_18-13-23_ecg 4 1000 29989 10_18-13-23_ecg.dat 32 6990.5(0)/mV 32 0 -102989 27236 0 I 10_18-13-23_ecg.dat 32 6990.5(0)/mV 32 0 -121966 27990 0 II 10_18-13-23_ecg.dat 32 6990.5(0)/mV 32 0 33684 21554 0 V3 10_18-13-23_ecg.dat 32 6990.5(0)/mV 32 0 54625 41433 0 V4