Objective To compare the capabilities of NT-proBNP and BNP in diagnosis of heart failure complicated with acute cerebral infarction. Methods EP15-A2 document was employed to verify the precision and accuracy of NT-proBNP and BNP assays on chemiluminescence analyzer Cobas E601 and ADVIA Centaur respectively Objective To compare the capabilities of NT-proBNP and BNP in diagnosis of heart failure complicated with acute cerebral infarction. Methods EP15-A2 document was employed to verify the precision and accuracy of NT-proBNP and BNP assays on chemiluminescence analyzer Cobas E601 and ADVIA Centaur respectively