10_18-12-33_ecg 4 1000 29994 10_18-12-33_ecg.dat 32 6990.5(0)/mV 32 0 -120556 26788 0 I 10_18-12-33_ecg.dat 32 6990.5(0)/mV 32 0 -142444 43522 0 II 10_18-12-33_ecg.dat 32 6990.5(0)/mV 32 0 91598 18815 0 V3 10_18-12-33_ecg.dat 32 6990.5(0)/mV 32 0 87010 4746 0 V4