Diagnostic Criteria:
CHF Unlikely IF:
Age <50 and NT-proBNP <450
Age 50-75 and NT-proBNP <900
Age >75 and NT-proBNP <1800
Pride CHF Score <7
CHF Very likely IF NT-proBNP >10,000 Regardless of age
NT-proBNP should be used as a rule out test for CHF.
*Biotin interference may cause inaccurate results*