The Apolipoprotein A1 and B test helps evaluate a person’s risk of developing cardiovascular diseases. These two proteins are associated with cholesterol transport: Apolipoprotein A1 is a key component of high-density lipoprotein (HDL or “good cholesterol”), while Apolipoprotein B is a main part of low-density lipoprotein (LDL or “bad cholesterol”).
The purpose of this test is to measure the balance between LDL and HDL in the blood. This ratio gives a clearer indication of heart disease risk. While a lipid profile is often used as an alternative, the Apo A1 and B test is considered more precise because there is a direct one-to-one relationship between apolipoproteins and their respective lipoproteins. This makes it a stronger tool for assessing cardiovascular risk.
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