25_13-45-17_ecg 4 1000 29994 25_13-45-17_ecg.dat 32 6990.5(0)/mV 32 0 -86963 33739 0 I 25_13-45-17_ecg.dat 32 6990.5(0)/mV 32 0 -71034 7889 0 II 25_13-45-17_ecg.dat 32 6990.5(0)/mV 32 0 -16178 20233 0 V3 25_13-45-17_ecg.dat 32 6990.5(0)/mV 32 0 -1604 18912 0 V4