data_31_12 2 200 17730 data_31_12.dat 16 43847.174862694235(-3282)/mV 16 0 -13978 9700 0 I data_31_12.dat 16 13241.415413379742(-7460)/mV 16 0 -8332 34790 0 II # paroxysmal atrial fibrillation