19_14-49-27_ecg 4 1000 29993 19_14-49-27_ecg.dat 32 6990.5(0)/mV 32 0 -20984 63764 0 I 19_14-49-27_ecg.dat 32 6990.5(0)/mV 32 0 -148911 27852 0 II 19_14-49-27_ecg.dat 32 6990.5(0)/mV 32 0 -8 20263 0 V3 19_14-49-27_ecg.dat 32 6990.5(0)/mV 32 0 6527 17315 0 V4