There is a hypothesis that multiplied BNP in acute cerebral infarction is associated with AF, which may be associated with cardiovascular illnesses associated with AF, or with structural adjustments inside the atrial myocardium, which may be the cause of the cerebral infarction, a coexisting circumstance, or an effect of the cerebral infarction [34, 35]. This evidence concerns the gene NPPB and atrial fibrillation.