30_10-18-52_ecg 4 1000 29994 30_10-18-52_ecg.dat 32 6990.5(0)/mV 32 0 -17161 7182 0 I 30_10-18-52_ecg.dat 32 6990.5(0)/mV 32 0 -9472 28355 0 II 30_10-18-52_ecg.dat 32 6990.5(0)/mV 32 0 14234 385 0 V3 30_10-18-52_ecg.dat 32 6990.5(0)/mV 32 0 10795 64044 0 V4