data_92_20 2 200 18770 data_92_20.dat 16 49347.672064777325(-227789)/mV 16 0 -13866 43202 0 I data_92_20.dat 16 26478.23886639676(-137409)/mV 16 0 -13702 17372 0 II # paroxysmal atrial fibrillation