data_39_4 2 200 90557 data_39_4.dat 16 18606.989853438557(-115289)/mV 16 0 -16262 54556 0 I data_39_4.dat 16 23856.447688564476(-130817)/mV 16 0 -11296 15007 0 II # paroxysmal atrial fibrillation