What is the presentation of patent ductus arteriosus (PDA)?

Updated: Nov 20, 2018
  • Author: Luke K Kim, MD; Chief Editor: Stuart Berger, MD  more...
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A patent ductus arteriosus (PDA) is variable in its presentation. It may vary in size from small to large and may not be picked up based on physical examination at birth.

Patients usually appear well and have normal respirations and heart rates. A widened pulse pressure may be noted when the blood pressure is obtained. Suprasternal or carotid pulsations may be prominent.

As many as one third of children with patent ductus arteriosus (PDA) is small for their age. In the presence of significant pulmonary overcirculation, tachypnea, tachycardia, and a widened pulse pressure may be found.

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