data_31_6 2 200 81883 data_31_6.dat 16 31130.884643022888(-3659)/mV 16 0 -2976 24554 0 I data_31_6.dat 16 13546.651253931477(-15667)/mV 16 0 -15057 64930 0 II # paroxysmal atrial fibrillation