32_12-19-50_ecg 4 1000 29993 32_12-19-50_ecg.dat 32 6990.5(0)/mV 32 0 18501 43276 0 I 32_12-19-50_ecg.dat 32 6990.5(0)/mV 32 0 29978 51301 0 II 32_12-19-50_ecg.dat 32 6990.5(0)/mV 32 0 -30200 42098 0 V3 32_12-19-50_ecg.dat 32 6990.5(0)/mV 32 0 -66237 44136 0 V4