8_13-13-33_ecg 4 1000 29994 8_13-13-33_ecg.dat 32 6990.5(0)/mV 32 0 -25822 34076 0 I 8_13-13-33_ecg.dat 32 6990.5(0)/mV 32 0 15642 876 0 II 8_13-13-33_ecg.dat 32 6990.5(0)/mV 32 0 -54857 53890 0 V3 8_13-13-33_ecg.dat 32 6990.5(0)/mV 32 0 -52444 13084 0 V4