26_15-54-49_ecg 4 1000 29994 26_15-54-49_ecg.dat 32 6990.5(0)/mV 32 0 7793 12691 0 I 26_15-54-49_ecg.dat 32 6990.5(0)/mV 32 0 50130 49249 0 II 26_15-54-49_ecg.dat 32 6990.5(0)/mV 32 0 86370 50656 0 V3 26_15-54-49_ecg.dat 32 6990.5(0)/mV 32 0 81011 44632 0 V4