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Culture-negative endocarditis

Definition

Culture-negative endocarditis is an infection and inflammation of the lining of one or more heart valves, but no endocarditis-causing germs can be found on a blood culture. This is because certain germs do not grow well in a laboratory setting, or some people have received antibiotics in the past that keep such germs from growing.

Endocarditis is usually a result of a blood infection. Bacteria can enter the bloodstream during certain medical procedures, including dental procedures. Then bacteria can travel to the heart, where they can settle on damaged heart valves.

Alternative Names

Endocarditis (culture-negative)

References

Baddour LM, Freeman WK, Suri RM, Wilson WR. Cardiovascular infections. In: Mann DL, Zipes DP, Libby P, Bonow RO, Braunwald E, eds. Braunwald's Heart Disease: A Textbook of Cardiovascular Medicine. 10th ed. Philadelphia, PA: Elsevier Saunders; 2014:chap 64.


Review Date: 11/24/2014
Reviewed By: Daniel Levy, MD, Infectious Diseases, Lutherville Personal Physicians, Lutherville, MD. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.
The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Call 911 for all medical emergencies. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. © 1997- A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.
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