18_10-36-24_ecg 4 1000 29988 18_10-36-24_ecg.dat 32 6990.5(0)/mV 32 0 6542 7771 0 I 18_10-36-24_ecg.dat 32 6990.5(0)/mV 32 0 34168 28756 0 II 18_10-36-24_ecg.dat 32 6990.5(0)/mV 32 0 -26613 27605 0 V3 18_10-36-24_ecg.dat 32 6990.5(0)/mV 32 0 -20268 45754 0 V4