30_10-30-51_ecg 4 1000 29994 30_10-30-51_ecg.dat 32 6990.5(0)/mV 32 0 11840 60836 0 I 30_10-30-51_ecg.dat 32 6990.5(0)/mV 32 0 57725 65471 0 II 30_10-30-51_ecg.dat 32 6990.5(0)/mV 32 0 7138 4282 0 V3 30_10-30-51_ecg.dat 32 6990.5(0)/mV 32 0 -468 9218 0 V4