Patent ductus arteriosus chest x ray: Difference between revisions
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*The apex may be tilted upward reflecting right ventricular hypertrophy. | *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. | *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. | ||
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{{reflist}} | {{reflist}} | ||
[[Category: | ==External links== | ||
* [http://www.schneiderchildrenshospital.org/peds_html_fixed/peds/hrnewborn/pda.htm High-Risk Newborn - Patent Ductus Arteriosus (PDA)] | |||
* [http://www.merck.com/mmhe/sec23/ch265/ch265b.html#sec23-ch265-ch265b-293 Patent Ductus Arteriosus from Merck] | |||
* [http://mcb.berkeley.edu/courses/mcb135e/fetal.html Fetal Circulation at berkeley.edu] | |||
* [http://goldminer.arrs.org/search.php?query=Patent%20ductus%20arteriosus Goldminer: Patent ductus arteriosus] | |||
[[Category:Disease state]] | |||
[[Category:Cardiology]] | [[Category:Cardiology]] | ||
[[Category:Congenital heart disease]] | [[Category:Congenital heart disease]] | ||
Revision as of 09:59, 17 August 2011
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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
Chest X Ray
The findings on chest Xray 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.