6_11-14-37_ecg 4 1000 29994 6_11-14-37_ecg.dat 32 6990.5(0)/mV 32 0 -47599 40171 0 I 6_11-14-37_ecg.dat 32 6990.5(0)/mV 32 0 -25246 12094 0 II 6_11-14-37_ecg.dat 32 6990.5(0)/mV 32 0 -7910 811 0 V3 6_11-14-37_ecg.dat 32 6990.5(0)/mV 32 0 -29062 40637 0 V4