Because of a lapse in government funding, the information on this website may not be up to date, transactions submitted via the website may not be processed, and the agency may not be able to respond to inquiries until appropriations are enacted. The NIH Clinical Center (the research hospital of NIH) is open. For more details about its operating status, please visit cc.nih.gov. Updates regarding government operating status and resumption of normal operations can be found at opm.gov.

NLM Logo

Tetralogy of Fallot MeSH Descriptor Data 2026


MeSH Heading
Tetralogy of Fallot
Tree Number(s)
C14.240.400.849
C14.280.400.849
C16.131.240.400.849
Unique ID
D013771
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D013771
Annotation
do not confuse with TRILOGY OF FALLOT
Scope Note
A combination of congenital heart defects consisting of four key features including VENTRICULAR SEPTAL DEFECTS; PULMONARY STENOSIS; RIGHT VENTRICULAR HYPERTROPHY; and a dextro-positioned AORTA. In this condition, blood from both ventricles (oxygen-rich and oxygen-poor) is pumped into the body often causing CYANOSIS.
Entry Term(s)
Fallot's Tetralogy
Tetralogy, Fallot's
NLM Classification #
WG 220
See Also
Pentalogy of Cantrell
Date Introduced
1966/01/01
Last Updated
2012/07/03
Tetralogy of Fallot Preferred
page delivered in 0.152s