6_10-53-50_ecg 4 1000 29994 6_10-53-50_ecg.dat 32 6990.5(0)/mV 32 0 -52502 1531 0 I 6_10-53-50_ecg.dat 32 6990.5(0)/mV 32 0 -7406 19533 0 II 6_10-53-50_ecg.dat 32 6990.5(0)/mV 32 0 8273 10156 0 V3 6_10-53-50_ecg.dat 32 6990.5(0)/mV 32 0 -7285 521 0 V4