Brain natriuretic peptide

Values

• <100 --> CHF R/O
• 100-400 Consider ddx
• >400 Certain

DDX

1. CHF/AMI
2. PE
3. Pulm HTN
4. Renal Failure

(Slightly lowered with obesity & diastolic dysfx)

Source

4/19/07 DONALDSON (adapted from Ryu)