American College of Cardiology Foundation/American Heart Association 2009 heart failure staging guidelines. CHF, congestive heart failure; CM, cardiomyopathy; EF, ejection fraction; LV, left ventricle; SF, shortening fraction. (Adapted with permission from Jessup M, Abraham WT, Casey DE, et al. 2009 focused update: ACCF/AHA Guidelines for the Diagnosis and Management of Heart Failure in Adults: a report of the American College of Cardiology Foundation/American Heart Association Task Force on Practice Guidelines: developed in collaboration with the International Society for Heart and Lung Transplantation. Circulation. 2009;119:1977-2016). Source: Chapter 13. Heart Failure, Cardiomyopathy, and Pulmonary Hypertension, Pediatric Practice: Cardiology Citation: Gleason M, Rychik J, Shaddy R. Pediatric Practice: Cardiology; 2012 Available at: http://accesspediatrics.mhmedical.com/DownloadImage.aspx?image=/data/books/glea1/glea1_c013f001.png&sec=41025855&BookID=525&ChapterSecID=41023853&imagename= Accessed: December 17, 2017 Copyright © 2017 McGraw-Hill Education. All rights reserved