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B-type natriuretic peptide (BNP) is a small protein secreted by the ventricles of the heart in response to excessive stretching of the heart muscles cells (myocytes). BNP is secreted into the blood when your heart is working hard. The N-terminal fragment of BNP is a highly sensitive marker for cardiac dysfunction.
An elevated NT-proBNP level always indicates the presence of an underlying cardiac disorder. It can even identify people with structural heart disease and cardiac dysfunction before symptoms begin.1 Even relatively low levels of NT-proBNP may be considered an index of increased cardiovascular risk since NT-proBNP abnormalities correlate well with development of progressive atherosclerosis.2
Fasting is not required for this test. Take all medications as prescribed.
The laboratory services are for informational purposes only. It is not the intention of National Diagnostics, Inc and Life Extension to provide specific medical advice but rather to provide users with information to better understand their health. Specific medical advice including diagnosis and treatment will not be provided. Always seek the advice of a trained health professional for medical advice, diagnosis or treatment.
Both the physician and the testing laboratory are independent contractors with whom National Diagnostics, Inc makes arrangements for your blood tests. Neither National Diagnostics, Inc or Life Extension will be liable for any acts or omissions of the physician, the testing laboratory, or their agents or employees.