4_11-27-30_ecg 4 1000 29994 4_11-27-30_ecg.dat 32 6990.5(0)/mV 32 0 -3373 48790 0 I 4_11-27-30_ecg.dat 32 6990.5(0)/mV 32 0 -43437 13198 0 II 4_11-27-30_ecg.dat 32 6990.5(0)/mV 32 0 -38363 35446 0 V3 4_11-27-30_ecg.dat 32 6990.5(0)/mV 32 0 -39491 35543 0 V4