31_11-17-40_ecg 4 1000 29994 31_11-17-40_ecg.dat 32 6990.5(0)/mV 32 0 -29117 4713 0 I 31_11-17-40_ecg.dat 32 6990.5(0)/mV 32 0 997 16698 0 II 31_11-17-40_ecg.dat 32 6990.5(0)/mV 32 0 56821 59764 0 V3 31_11-17-40_ecg.dat 32 6990.5(0)/mV 32 0 42174 31174 0 V4