32_12-21-28_ecg 4 1000 29994 32_12-21-28_ecg.dat 32 6990.5(0)/mV 32 0 -12146 54979 0 I 32_12-21-28_ecg.dat 32 6990.5(0)/mV 32 0 9342 63478 0 II 32_12-21-28_ecg.dat 32 6990.5(0)/mV 32 0 -22466 34099 0 V3 32_12-21-28_ecg.dat 32 6990.5(0)/mV 32 0 -19894 33633 0 V4