Signs and symptoms of truncus arteriosus often develop in the first few days of life. They include:

  • Blue coloring of the skin (cyanosis)
  • Poor feeding
  • Pounding heart
  • Irritability
  • Excessive sleepiness
  • Poor growth
  • Shortness of breath (dyspnea)
  • Rapid breathing (tachypnea)

When to see a doctor

Seek medical treatment if you notice that your baby has any of the following problems:

  • Blue coloring of the skin (cyanosis)
  • Poor feeding
  • Poor weight gain
  • Excessive sleepiness

Some signs of truncus arteriosus may indicate a problem that needs urgent care. If your baby experiences any of the following signs and symptoms and you can't see your baby's doctor immediately, seek emergency medical care:

  • Rapid, shallow or labored breathing
  • Worsening of blue coloring of the skin
  • Loss of consciousness
Oct. 01, 2015