Patent ductus arteriosus chest x ray: Difference between revisions
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*Normal heart size and [[vascularity]]. | *Normal heart size and [[vascularity]]. | ||
===Medium-Sized PDA=== | ===Medium-Sized PDA=== | ||
*Occasionally, the ductus can be seen as a separate convexity between the | *Occasionally, the ductus can be seen as a separate convexity between the aortic knob and the [[pulmonary artery]] segments. | ||
*[[Cardiomegaly]] related to [[left atrium]] and left ventricular volume overloads. | *[[Cardiomegaly]] related to [[left atrium]] and left ventricular volume overloads. | ||
*Increase in the pulmonary vascular markings. | *Increase in the pulmonary vascular markings. | ||
*The [[ascending aorta]] may be prominent due to increased flow. | *The [[ascending aorta]] may be prominent due to increased flow. | ||
===Large-Sized PDA=== | ===Large-Sized PDA=== | ||
*Similar to a PDA complicated by [[pulmonary vascular disease]]. | *Similar to a PDA complicated by [[pulmonary vascular disease]]. | ||
Revision as of 19:14, 22 January 2013
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Patent Ductus Arteriosus Microchapters |
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Differentiating Patent Ductus Arteriosus from other Diseases |
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Patent ductus arteriosus chest x ray On the Web |
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor-In-Chief: Priyamvada Singh, M.B.B.S. [2], Cafer Zorkun, M.D., Ph.D. [3], Assistant Editor-In-Chief: Kristin Feeney, B.S. [4]
Overview
The findings on chest X ray depends on the degree of shunting between left and right system.
Chest X Ray
The findings on chest X ray depends on the degree of shunting between left and right system.
Small PDA
- Normal heart size and vascularity.
Medium-Sized PDA
- Occasionally, the ductus can be seen as a separate convexity between the aortic knob and the pulmonary artery segments.
- Cardiomegaly related to left atrium and left ventricular volume overloads.
- Increase in the pulmonary vascular markings.
- The ascending aorta may be prominent due to increased flow.
Large-Sized PDA
- Similar to a PDA complicated by pulmonary vascular disease.
- Left ventricular overload regresses by adolescence and the heart size may revert to normal.
- The apex may be tilted upward reflecting right ventricular hypertrophy.
- 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.