ecg_27 12 500 6657 ecg_27.dat 16 200 12 0 -14 -16988 0 I ecg_27.dat 16 200 12 0 -27 -29196 0 II ecg_27.dat 16 200 12 0 -13 -12208 0 III ecg_27.dat 16 200 12 0 20 22193 0 aVR ecg_27.dat 16 200 12 0 0 -1963 0 aVL ecg_27.dat 16 200 12 0 -20 -19823 0 aVF ecg_27.dat 16 200 12 0 -12 30293 0 V1 ecg_27.dat 16 200 12 0 -13 18021 0 V2 ecg_27.dat 16 200 12 0 -29 6160 0 V3 ecg_27.dat 16 200 12 0 -41 -8840 0 V4 ecg_27.dat 16 200 12 0 -40 -5821 0 V5 ecg_27.dat 16 200 12 0 -37 756 0 V6