9_13-53-11_ecg 4 1000 29993 9_13-53-11_ecg.dat 32 6990.5(0)/mV 32 0 -1290 55451 0 I 9_13-53-11_ecg.dat 32 6990.5(0)/mV 32 0 79522 32369 0 II 9_13-53-11_ecg.dat 32 6990.5(0)/mV 32 0 -75123 45847 0 V3 9_13-53-11_ecg.dat 32 6990.5(0)/mV 32 0 -85580 5376 0 V4