8_13-04-53_ecg 4 1000 29994 8_13-04-53_ecg.dat 32 6990.5(0)/mV 32 0 -16937 24439 0 I 8_13-04-53_ecg.dat 32 6990.5(0)/mV 32 0 47745 35173 0 II 8_13-04-53_ecg.dat 32 6990.5(0)/mV 32 0 13403 8646 0 V3 8_13-04-53_ecg.dat 32 6990.5(0)/mV 32 0 18819 40768 0 V4