9_14-04-21_ecg 4 1000 29994 9_14-04-21_ecg.dat 32 6990.5(0)/mV 32 0 19584 59401 0 I 9_14-04-21_ecg.dat 32 6990.5(0)/mV 32 0 -141955 30855 0 II 9_14-04-21_ecg.dat 32 6990.5(0)/mV 32 0 -24611 23902 0 V3 9_14-04-21_ecg.dat 32 6990.5(0)/mV 32 0 -57691 56964 0 V4