4_11-21-22_ecg 4 1000 29993 4_11-21-22_ecg.dat 32 6990.5(0)/mV 32 0 -732 7161 0 I 4_11-21-22_ecg.dat 32 6990.5(0)/mV 32 0 -3320 61983 0 II 4_11-21-22_ecg.dat 32 6990.5(0)/mV 32 0 -49993 36796 0 V3 4_11-21-22_ecg.dat 32 6990.5(0)/mV 32 0 -45890 13807 0 V4