Patients with AF during TTE used beta-blockers more often (63% vs. 45%; p = 0.047), had higher NT-proBNP (515.0 pmol/l vs. 136.5 pmol/l; p < 0.001) and creatinine concentration (86.0 μmol/l vs. 82.0 μmol/l; p = 0.014). Here, NPPB is linked to atrial fibrillation.