7_14-16-33_ecg 4 1000 29994 7_14-16-33_ecg.dat 32 6990.5(0)/mV 32 0 -86972 36865 0 I 7_14-16-33_ecg.dat 32 6990.5(0)/mV 32 0 15905 38188 0 II 7_14-16-33_ecg.dat 32 6990.5(0)/mV 32 0 -190029 5852 0 V3 7_14-16-33_ecg.dat 32 6990.5(0)/mV 32 0 -133273 17947 0 V4