13_20-12-30_ecg 4 1000 29994 13_20-12-30_ecg.dat 32 6990.5(0)/mV 32 0 3897 16903 0 I 13_20-12-30_ecg.dat 32 6990.5(0)/mV 32 0 -19124 59095 0 II 13_20-12-30_ecg.dat 32 6990.5(0)/mV 32 0 94279 34135 0 V3 13_20-12-30_ecg.dat 32 6990.5(0)/mV 32 0 107360 41106 0 V4