Template:BNP value

Brain natriuretic peptide (BNP)

• <100 CHF ruled out (Sn 90%, NPV 89%)
• 100-500: Consider differential diagnosis and pre-test probability
• > 500 Positive (CHF Sp 87%, PPV 90%)

Differential Diagnosis (Elevated BNP)

• CHF/ACS/Cardiogenic shock
• PE
• Pulmonary Hypertension
• Renal Failure

May have false negatives with obesity and diastolic dysfunction