Patent ductus arteriosus chest x ray
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Associate Editor-In-Chief:Cafer Zorkun, M.D., Ph.D. [2]; Keri Shafer, M.D. [3] Priyamvada Singh, MBBS [[4]]
Assistant Editor-In-Chief: Kristin Feeney, B.S. [[5]]
Chest X Ray
A chest x ray has the capacity to show different symptomatic characteristics depending on the severity of disease onset. Below summarizes what one could expect to see.
Small PDA: normal heart size and vascularity.
Medium-sized PDA:
- A) Occasionally, the ductus can be seen as a separate convexity between the aortic knob and the pulmonary artery segments.
- B) Cardiomegaly related to LA and LV volume overloads.
- C) Increase in the pulmonary vascular markings.
- D) The ascending aorta may be prominent due to increased flow.
Large-sized PDA:
- A) Similar to a PDA complicated by pulmonary vascular disease.
- B) LV overload has now regressed by adolescence, heart size is nearly normal.
- C) The apex may be tilted upward reflecting RVH.
- D) The pulmonary trunk and its branches are markedly dilated and may show central calcification, but in the outer third there is an abrupt decrease in vascularity.