11_18-59-53_ecg 4 1000 29993 11_18-59-53_ecg.dat 32 6990.5(0)/mV 32 0 24993 1262 0 I 11_18-59-53_ecg.dat 32 6990.5(0)/mV 32 0 -2165 23185 0 II 11_18-59-53_ecg.dat 32 6990.5(0)/mV 32 0 2774 53427 0 V3 11_18-59-53_ecg.dat 32 6990.5(0)/mV 32 0 -9686 40920 0 V4