{"term":{"id":"11365","title":"ventricular septal defect","longtitle":"IUPAC Gold Book - ventricular septal defect","doi":"10.1351\/goldbook.11365","code":"11365","status":"current","initialism":"<em>initialism<\/em>: VSD","definitions":[{"id":1,"text":"Congenital defect with an opening in the wall separating the right and left ventricles of the heart (see ventricular septum).","notes":{"1":"This cardiac anomaly allows reflux of blood back to the right ventricle during left ventricular contraction, producing varying degrees of cyanosis."},"links":[{"term":"Congenital","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/10552"},{"term":"ventricular septum","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/11364"}],"sources":["PAC, 2016, 88, 713. 'Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)' on page 819 (https:\/\/doi.org\/10.1515\/pac-2015-1202)"]}],"altoutputs":{"html":"https:\/\/goldbook.iupac.org\/terms\/view\/11365\/html","xml":"https:\/\/goldbook.iupac.org\/terms\/view\/11365\/xml","plain":"https:\/\/goldbook.iupac.org\/terms\/view\/11365\/plain"},"citation":"Citation: 'ventricular septal defect' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351\/goldbook.11365","license":"The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https:\/\/creativecommons.org\/licenses\/by-sa\/4.0\/) for individual terms.","collection":"If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org .","disclaimer":"The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using.","accessed":"2026-07-16T13:25:54+00:00"}}