21_14-25-33_ecg 4 1000 29993 21_14-25-33_ecg.dat 32 6990.5(0)/mV 32 0 -41505 3645 0 I 21_14-25-33_ecg.dat 32 6990.5(0)/mV 32 0 -45047 34363 0 II 21_14-25-33_ecg.dat 32 6990.5(0)/mV 32 0 16951 10206 0 V3 21_14-25-33_ecg.dat 32 6990.5(0)/mV 32 0 -15904 49970 0 V4