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Eisenmenger syndrome is a rare progressive heart condition caused by a structural error in the heart, typically a "hole in the heart" (ventricular septal defect) present at birth (congenital heart defect). This causes abnormal blood flow in the heart, resulting in high pressure within the pulmonary artery, the main blood vessel that connects the heart to the lungs (pulmonary hypertension). 
Last updated: 10/21/2010
- NORD. Eisenmenger syndrome. National Organization for Rare Disoders. 2006; http://www.rarediseases.org/search/rdbdetail_abstract.html?disname=Eisenmenger%20Syndrome. Accessed 10/14/2010.
- MedlinePlus was designed by the National Library of Medicine to help you research your health questions, and it provides more information about this topic.
- The National Organization for Rare Disorders (NORD) is a federation of more than 130 nonprofit voluntary health organizations serving people with rare disorders. Click on the link to view information on this topic.
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- Medscape Reference provides information on this topic. Click on the link to view this information. You may need to register to view the medical textbook, but registration is free.
- Orphanet is a European reference portal for information on rare diseases and orphan drugs. Access to this database is free of charge.
- PubMed is a searchable database of medical literature and lists journal articles that discuss Eisenmenger syndrome. Click on the link to view a sample search on this topic.
- The Social Security Administration has included this condition in their Compassionate Allowances Initiative. This initiative speeds up the processing of disability claims for applicants with certain medical conditions that cause severe disability. More information about Compassionate Allowances and applying for Social Security disability is available online.