Hypoplastic left heart syndrome - antenatal
Antenatal scan at 21 weeks.
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There was normal fetal situs
The left ventricle is hypoplastic on 4-chamber view
Small left atrium
The right atrium and right ventricle are enlarged because of the alterations in hemodynamics
Prominent pulmonary trunk with antegrade flow and aliasing along with PDA
Hypoplastic aorta with retrograde flow via PDA
The rest of the fetal anatomical survey was normal
Fetal maturity corresponded to LMP.
Hypoplastic left heart syndrome (HLHS) is a cyanotic congenital cardiac anomaly where affected individuals can have profound cyanosis and cardiac failure.