5_09-00-20_ecg 4 1000 29994 5_09-00-20_ecg.dat 32 6990.5(0)/mV 32 0 32333 38292 0 I 5_09-00-20_ecg.dat 32 6990.5(0)/mV 32 0 231076 33041 0 II 5_09-00-20_ecg.dat 32 6990.5(0)/mV 32 0 -177433 47280 0 V3 5_09-00-20_ecg.dat 32 6990.5(0)/mV 32 0 -110715 11732 0 V4