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Symptoms
By Mayo Clinic staffBabies born with hypoplastic left heart syndrome usually are seriously ill immediately after birth. Signs and symptoms include:
- Grayish-blue skin color
- Rapid, difficult breathing
- Poor feeding
- Cold hands and feet
- Being unusually drowsy or inactive
In a baby with hypoplastic left heart syndrome, if the natural connections between the heart's left and right sides (foramen ovale and ductus arteriosus) are allowed to close, he or she may go into shock and may die. Signs of shock include:
- Cool, clammy skin that may be pale or gray
- A weak and rapid pulse
- Abnormal breathing that may be either slow and shallow or very rapid
- Dilated pupils
- Lackluster eyes that seem to stare
A baby who is in shock may be conscious or unconscious. If you suspect your baby is in shock, immediately call 911 or your local emergency number.
