Receiver operating characteristics curve of N-terminal pro-atrial natriuretic peptide plasma levels (dark line) and brain natriuretic peptide (dashed line) for the detection of paroxysmal atrial tachycardia and atrial fibrillation. Receiver operating characteristics curve of N-terminal pro-atrial natriuretic peptide plasma levels (dark line) and brain natriuretic peptide (dashed line) for the detection of paroxysmal atrial tachycardia and atrial fibrillation. Joachim Seegers et al. Open Heart 2015;2:e000182 ©2015 by British Cardiovascular Society