Template:BNP value

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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)

May have false negatives with obesity and diastolic dysfunction