Implications of high or low BNP levels
A high BNP level poses more threat to you than a low BNP level. You become more susceptible to heart failure as your BNP level increases above 100 pg/mL. Since your level normally increases with age, any early increase may require urgent medical attention.
In most cases, a BNP level above 100 pg/mL is a sign of heart failure. The severity of heart failure is measured via the amount of blood your heart pumps out or your ejection fraction. For instance, a normal ejection fraction is between 50% to 70%. This means that your heart is working at just 50 to 70 percent of its ability. You can develop heart failure with a normal EF. However, as your heart failure exacerbates, your heart’s effectiveness reduces.
If your heart failure is acute, your heart’s function will be significantly reduced. This may reduce your activeness and stop you from performing daily activities such as bathing and cooking. A BNP level between 400 pg/mL and 1,800 pg/mL indicates acute heart failure.
According to research, a low BNP level is als a sign of heart failure. Recent studies show that people diagnosed with unstable heart structure, blood pressure, heart failure, and abnormal hemodynamics always have low BNP levels. In some cases, your BNP may get so low that it becomes undetectable in the lab.