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. 2014 Jul 23;16(1):54. doi: 10.1186/s12968-014-0054-4

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Copyright © 2014 Broadhouse et al.;licensee BioMed Central

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Comparison of a 4 chamber and short axis view at end diastole in a 1.4 kg control infant (left) and 1.4 kg PDA (right) infant with a shunt volume of 62% of LVO. Apex-base and mid cavity diameter measurements have been included for scale. Figure shows the apparent increase in left ventricular dimensions.