15_10-19-58_ecg 4 1000 29994 15_10-19-58_ecg.dat 32 6990.5(0)/mV 32 0 983 35860 0 I 15_10-19-58_ecg.dat 32 6990.5(0)/mV 32 0 -80222 62845 0 II 15_10-19-58_ecg.dat 32 6990.5(0)/mV 32 0 144770 38357 0 V3 15_10-19-58_ecg.dat 32 6990.5(0)/mV 32 0 19842 58477 0 V4