Brain Natriuretic Peptide (BNP) Test

Beta-Natriuretic Peptide, BNP (Brain Natriuretic Peptide) Test

Risks

There is very little risk of complications from having blood drawn from a vein.

• You may develop a small bruise at the puncture site. You can reduce the risk of bruising by keeping pressure on the site for several minutes after the needle is withdrawn.
• Rarely, the vein may become inflamed after the blood sample is taken. This condition is called phlebitis and is usually treated with a warm compress applied several times daily.
• Continued bleeding can be a problem for people with bleeding disorders. Aspirin, warfarin (Coumadin), and other blood-thinning medications can also make bleeding more likely. If you have bleeding or clotting problems, or if you take blood-thinning drugs, tell your health professional before your blood is drawn.

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Author:	Maria G. Essig, MS, ELS	Last Updated: June 19, 2007
Medical Review:	E. Gregory Thompson, MD - Internal Medicine George Philippides, MD - Cardiology
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