It can sometimes take longer if the healthcare professional cannot find a vein easily. The process typically takes a few minutes. After removing the needle, they apply pressure to the area before placing a small bandage over the site.They insert a needle into the vein and collect a small amount of blood into one or more tubes.They place a tourniquet around the person’s arm to ensure the blood flows to the chosen vein, making access easier.The professional cleans an area of the arm with an antiseptic.This person is often a phlebotomist.ĭrawing blood typically involves the following steps: The test helps identify those at risk of developing heart disease and provides a warning sign of impending cardiac events.Ī healthcare professional usually performs blood tests in a doctor’s office. Troponin levels are an important indicator of cardiac health. The body releases the protein troponin when the heart muscle is damaged. If a test reveals a rise in BNP, this can be an early warning sign of heart failure, and doctors will want to investigate further. It measures the amount of BNP in the blood, indicating how well the heart functions. B-type natriuretic peptide (BNP)Ī BNP test is a valuable tool for diagnosing heart failure. It checks kidney function and measures the levels of glucose, electrolytes, calcium, and other naturally occurring chemicals in the blood. In people with suspected heart failure, doctors may order the following blood tests: Basic metabolic panel (BMP)Ī BMP is a comprehensive set of tests that can provide insights into a person’s overall health.
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