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Symptoms of Hypoplastic Left Heart Syndrome

Most babies with this syndrome develop symptoms within the first few hours after birth. Sometimes it takes a few days.

Common symptoms include:

  • Bluish skin, lips or nailbeds (cyanosis) or pale skin
  • Being more tired than is normal
  • Trouble feeding
  • Fast breathing or working hard to breathe
  • Cold arms and legs
  • Weak pulse

Hypoplastic Left Heart Syndrome Diagnosis

To diagnose this condition, your doctor will examine your baby, check their heartbeat and pulse, and listen to their heart.

The doctor will ask for details about your child’s symptoms, their health history and your family health history.

Your child will need tests that provide more information about how their heart looks and works. These may include electrocardiogram, echocardiographychest X-rayscardiac catheterization and pulse oximetry.

Who Treats This at Seattle Children's?

Should your child see a doctor?

Find out by selecting your child’s symptom or health condition in the list below:

Summer 2014: Good Growing Newsletter

In This Issue

  • Understanding the Power and Influence of Role Models
  • Legal Marijuana Means Greater Poisoning Risks for Children
  • Why Choose Pediatric Emergency Care?

Download Summer 2014 (PDF)