25_13-51-30_ecg 4 1000 29993 25_13-51-30_ecg.dat 32 6990.5(0)/mV 32 0 -59621 53553 0 I 25_13-51-30_ecg.dat 32 6990.5(0)/mV 32 0 -125825 45814 0 II 25_13-51-30_ecg.dat 32 6990.5(0)/mV 32 0 67445 26387 0 V3 25_13-51-30_ecg.dat 32 6990.5(0)/mV 32 0 73828 32826 0 V4