Posteroanterior chest x-ray film in a man with acute pulmonary edema resulting from left ventricular failure. Note the bat’s wing density, cardiac enlargement,

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Posteroanterior chest x-ray film in a man with acute pulmonary edema resulting from left ventricular failure. Note the bat’s wing density, cardiac enlargement, increased size of upper lobe vessels, and pulmonary venous congestion. (Reproduced, with permission, from Cheitlin MD et al, eds. Clinical Cardiology, 6th ed. Originally published by Appleton & Lange. Copyright © 1993 by The McGraw-Hill Companies, Inc.) Source: Cardiovascular Disorders: Heart Disease, Pathophysiology of Disease: An Introduction to Clinical Medicine, 7e Citation: Hammer GD, McPhee SJ. Pathophysiology of Disease: An Introduction to Clinical Medicine, 7e; 2013 Available at: http://accesspharmacy.mhmedical.com/DownloadImage.aspx?image=/data/books/961/ham007_fig_10-18.gif&sec=53630033&BookID=961&ChapterSecID=53555691&imagename= Accessed: January 01, 2018 Copyright © 2018 McGraw-Hill Education. All rights reserved