7_14-18-43_ecg 4 1000 29994 7_14-18-43_ecg.dat 32 6990.5(0)/mV 32 0 -80039 60786 0 I 7_14-18-43_ecg.dat 32 6990.5(0)/mV 32 0 27055 31973 0 II 7_14-18-43_ecg.dat 32 6990.5(0)/mV 32 0 -196047 43992 0 V3 7_14-18-43_ecg.dat 32 6990.5(0)/mV 32 0 -145910 24843 0 V4