10_18-31-33_ecg 4 1000 29993 10_18-31-33_ecg.dat 32 6990.5(0)/mV 32 0 -32614 43001 0 I 10_18-31-33_ecg.dat 32 6990.5(0)/mV 32 0 -18299 42220 0 II 10_18-31-33_ecg.dat 32 6990.5(0)/mV 32 0 56793 14426 0 V3 10_18-31-33_ecg.dat 32 6990.5(0)/mV 32 0 63384 52428 0 V4