High Sensitivity C-Reactive Protein (hs-CRP) is a blood test that measures the level of a protein called C-reactive protein in the blood with high sensitivity. CRP is produced by the liver in response to inflammation in the body. The hs-CRP test is more sensitive than standard CRP tests and can detect low levels of inflammation that may not be apparent through other means.
The hs-CRP test is used as a marker of inflammation in the body and is often ordered to assess a person's risk of cardiovascular disease. Elevated levels of hs-CRP in the blood are associated with an increased risk of heart attacks, strokes, and other cardiovascular events. It is also used to monitor inflammatory conditions such as autoimmune diseases, infections, and chronic inflammatory disorders.
During the test, a blood sample is typically taken from a vein in the arm and sent to a lab for analysis. Results are reported in milligrams per liter (mg/L), with levels below 1 mg/L considered low risk, 1-3 mg/L considered average risk, and above 3 mg/L considered high risk for cardiovascular events.
It is important to note that hs-CRP levels can be influenced by a variety of factors, including smoking, obesity, and chronic conditions like diabetes and autoimmune diseases. Additionally, hs-CRP levels can vary throughout the day, so multiple tests may be needed for an accurate assessment.
The hs-CRP test is not diagnostic on its own but is used in combination with other risk factors to assess cardiovascular risk and guide treatment decisions. If you have concerns about your heart health or inflammatory conditions, talk to your healthcare provider about whether the hs-CRP test is appropriate for you. Early detection and management of inflammation can help reduce the risk of heart disease and other related conditions.
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