28_11-56-30_ecg 4 1000 29994 28_11-56-30_ecg.dat 32 6990.5(0)/mV 32 0 -25861 34818 0 I 28_11-56-30_ecg.dat 32 6990.5(0)/mV 32 0 71269 21275 0 II 28_11-56-30_ecg.dat 32 6990.5(0)/mV 32 0 -3665 17844 0 V3 28_11-56-30_ecg.dat 32 6990.5(0)/mV 32 0 15444 29751 0 V4