Mayo Clinic Health Manager
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Get StartedSymptoms
By Mayo Clinic staffSigns and symptoms of truncus arteriosus usually develop in the first few weeks of life. They include:
- Blue coloring of the skin (cyanosis)
- Poor feeding
- Poor responsiveness
- Delayed growth or growth failure
- Excessive sleepiness
- Shortness of breath (dyspnea)
- Rapid breathing (tachypnea)
- Irregular heartbeats (arrhythmia)
- Excessive sweating (diaphoresis)
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 responsiveness
- Poor weight gain
- Excessive sleepiness
- Excessive sweating
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