25_13-52-16_ecg 4 1000 29994 25_13-52-16_ecg.dat 32 6990.5(0)/mV 32 0 -58039 8960 0 I 25_13-52-16_ecg.dat 32 6990.5(0)/mV 32 0 -104420 48988 0 II 25_13-52-16_ecg.dat 32 6990.5(0)/mV 32 0 90029 39063 0 V3 25_13-52-16_ecg.dat 32 6990.5(0)/mV 32 0 103214 23963 0 V4