Medical Definition of Hypoplastic left heart syndrome
1.
Underdevelopment of the left side of the heart characterised by: aortic valve atresia, hypoplastic ascending aorta, hypoplastic/atretic mitral valve, endocardial fibroelastosis most common cause of congestive heart failure in neonate, 25% of cardiac deaths in 1st week of life, prognosis: 100% fatal by 6 weeks haemodynamics: pulmonary venous return is diverted from LA to RA through atrial septal defect, RV supplies pulmonary artery, ductus arteriosus, descending aorta (antegrade flow), aortic arch, ascending aorta, coronary circulation (retrograde flow), leads to RV work overload and congestive heart failure Treatment: Norwood procedure (palliative), transplant
(12 Dec 1998)
Lexicographical Neighbors of Hypoplastic Left Heart Syndrome
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