NPPB and atrial fibrillation: From left to right, the keywords are: ventricular tachycardia, antipsychotic drug, risk factor, brain natriuretic peptide, prevalence, sudden cardiac death, adult, menon, antianginal agent, atrial fibrillation, non-steroidal anti-inflammatory drug, prescription, first trimester pregnancy, first trimester, psychiatric patient, all-cause mortality, antipsychotic medication, pattern, constipation, epidemiology, knowledge, long QT, and age.