19_14-57-50_ecg 4 1000 29993 19_14-57-50_ecg.dat 32 6990.5(0)/mV 32 0 -17345 48037 0 I 19_14-57-50_ecg.dat 32 6990.5(0)/mV 32 0 -130676 3706 0 II 19_14-57-50_ecg.dat 32 6990.5(0)/mV 32 0 5187 23332 0 V3 19_14-57-50_ecg.dat 32 6990.5(0)/mV 32 0 11546 6369 0 V4