The BNP test is a blood test used to measure the amount of B-type natriuretic peptide (BNP) in the blood. This protein is produced by the heart in response to increased pressure or strain on the heart muscle. The BNP test can help diagnose and monitor conditions such as congestive heart failure, coronary artery disease, and other cardiovascular diseases. A B-type natriuretic peptide (BNP) test shares information about the heart condition and helps in to detection, diagnosis, and evaluation of the severity of congestive heart failure (CHF). It can also be used to assess the effectiveness of treatment for these conditions. By measuring levels of BNP, doctors can determine if the patient's condition is stable or worsening.
When the heart is forced to work harder than usual, it produces more BNP (Brain natriuretic peptide). If the BNP is present at high levels in the bloodstream, it can be indicative of a life- threatening condition.
The natriuretic peptide type B (BNP) is part of a family of proteins called natriuretic peptides. These natriuretic peptides play a significant role in controlling circulation. They affect the blood vessels, dilating or enlarging them. They also work on the kidneys, resulting in greater excretion of salt and water. Furthermore, natriuretic peptides reduce the production of various hormones that constrict blood vessels, stimulate heart rate, or affect fluid retention; examples include adrenaline, angiotensin, and aldosterone.
Result
Condition Ages BNP Level (pg/mL) Normal Any Less than 300 Possible heart failure Under the age of 50 More than 450 Possible heart failure Between ages 50 to 75 More than 900 Possible heart failure Over the age of 75 More than 1,800
In some cases, other conditions may cause high levels of BNPP. These include:
- Kidney failure
- Pulmonary embolism
- Pulmonary hypertension
- Severe infection
- Lung problems
Risks:
The risks associated with a blood sample are low, but may include:
- Excessive bleeding
- Unconsciousness or dizziness.
- Hematoma (blood that builds up beneath the skin)
- Infection
Unipath offers a comprehensive range of clinical laboratory tests for prognosis, early detection, diagnosis, and monitoring of diseases, and boasts of state-of-the-art equipment that has been designed to provide quality reports as quickly as possible. To ease our patient's life, we offer home service too.
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