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What Are the Signs and Symptoms of Patent Ductus Arteriosus?

A heart murmur may be the only sign that a baby has patent ductus arteriosus (PDA). A heart murmur is an extra or unusual sound heard during the heartbeat. Heart murmurs also have other causes besides PDA, and most murmurs are harmless.

Some infants may develop signs or symptoms of volume overload on the heart and excess blood flow in the lungs. Signs and symptoms may include:

  • Fast breathing, working hard to breathe, or shortness of breath. Premature infants may need increased oxygen or help breathing from a ventilator.
  • Poor feeding and poor weight gain.
  • Tiring easily.
  • Sweating with exertion, such as while feeding.
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Last Updated: September 26, 2011