<P> Brain natriuretic peptide ( BNP ) is a hormone secreted by cardiomyocytes in the ventricles in response to stretching caused by increased ventricular blood volume . BNP is named as such because it was originally identified in extracts of porcine brain . </P>
bnp is secreted from the ventricular myocardium in response to
stretching caused by increased ventricular blood volume