data_66_18 2 200 45524 data_66_18.dat 16 30033.858267716536(-147196)/mV 16 0 6126 37093 0 I data_66_18.dat 16 12108.762886597939(-79749)/mV 16 0 -20815 1718 0 II # paroxysmal atrial fibrillation