28_11-51-48_ecg 4 1000 29994 28_11-51-48_ecg.dat 32 6990.5(0)/mV 32 0 -39239 44398 0 I 28_11-51-48_ecg.dat 32 6990.5(0)/mV 32 0 144328 30507 0 II 28_11-51-48_ecg.dat 32 6990.5(0)/mV 32 0 -147685 23618 0 V3 28_11-51-48_ecg.dat 32 6990.5(0)/mV 32 0 -103187 9938 0 V4