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Hypoplastic Left Heart Syndrome MeSH Descriptor Data 2026


MeSH Heading
Hypoplastic Left Heart Syndrome
Tree Number(s)
C14.240.400.625
C14.280.400.625
C16.131.240.400.625
Unique ID
D018636
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D018636
Scope Note
A condition caused by underdevelopment of the whole left half of the heart. It is characterized by hypoplasia of the left cardiac chambers (HEART ATRIUM; HEART VENTRICLE), the AORTA, the AORTIC VALVE, and the MITRAL VALVE. Severe symptoms appear in early infancy when DUCTUS ARTERIOSUS closes.
Entry Term(s)
Left Heart Hypoplasia Syndrome
Left Heart Syndrome, Hypoplastic
Previous Indexing
Heart Defects, Congenital (1966-1994)
Public MeSH Note
95
History Note
95
Date Introduced
1995/01/01
Last Updated
2012/07/03
Hypoplastic Left Heart Syndrome Preferred
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