Hypoplastic left heart syndrome is a rare but deadly congenital heart defect in which the left side of a newborn’s heart is too underdeveloped to support life without urgent, complex medical and surgical intervention, with lifelong consequences for survival and development.
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Explore how hypoplastic left heart syndrome turns the newborn circulation into a race against time, where a tiny vessel called the ductus arteriosus briefly keeps a baby alive.
Follow the daring three-stage surgical journey that turns a single right ventricle into the body’s main pump and rewires the circulation so a child with HLHS can grow up.
Inside the wrenching choices parents and doctors face when a baby is born with HLHS: aggressive surgery, heart transplant, or compassionate care that accepts an early death.
Uncover the genetic hints and “no flow, no grow” theory that try to explain why the left side of some babies’ hearts never fully forms.
From prenatal ultrasounds to newborn cyanosis that doesn’t improve with oxygen, see how clinicians catch HLHS before it’s too late.
Beyond survival, discover how children with HLHS face motor and learning delays, mental health challenges, and the looming risk of adult heart failure.
See how doctors deliberately adjust oxygen levels—sometimes giving less than room air—to coax blood to the right places in a newborn with HLHS.
Peek into cutting-edge trials testing whether stem cells can strengthen the overworked right ventricle in children with HLHS.
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