The doctor will ask about symptoms and past health. A physical exam will be done. The doctor may test for endocarditis—if there have been problems with blood clots.
Diagnosis is based on tests, such as:
- Blood tests—to check for infection or clot issues
- Echocardiogram—to view heart and heart valves
- Biopsy—the growth is removed and tested
This content is reviewed regularly and is updated when new and relevant evidence is made available. This information is neither intended nor implied to be a substitute for professional medical advice. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with questions regarding a medical condition.
Edits to original content made by Denver Health.
Copyright © EBSCO Information Services
All rights reserved.
American Heart Association https://www.heart.org
National Heart, Lung, and Blood Institute https://www.nhlbi.nih.gov
Health Canada https://www.canada.ca
Heart and Stroke Foundation of Canada https://www.heartandstroke.ca
Bussani R, De-Giogio F, et al. Overview and comparison of infectious endocarditis and non-infectious endocarditis: a review of 814 autoptic cases. In Vivo. 2019; 33(5): 1565–1572.
Nonbacterial thrombotic endocarditis (NBTE). EBSCO DynaMed website. Available at: https://www.dynamed.com/condition/nonbacterial-thrombotic-endocarditis-nbte. Accessed September 1, 2021.
Noninfective endocarditis. Merck Manual Professional Version website. Available at: https://www.merckmanuals.com/professional/cardiovascular-disorders/endocarditis/noninfective-endocarditis. Accessed September 1, 2021.