RT Book, Section A1 Rozenfeld, Ranna A. SR Print(0) ID 1152487947 T1 Congestive Heart Failure T2 The PICU Handbook YR 2018 FD 2018 PB McGraw-Hill Education PP New York, NY SN 9781259834370 LK accesspediatrics.mhmedical.com/content.aspx?aid=1152487947 RD 2024/03/29 AB Heart failure is a syndrome of cardiac dysfunction that, left untreated, results in the myocardium's inability to maintain adequate cardiac output.1 It may present as systolic and/or diastolic dysfunction. With progressive dysfunction, cardiac output is further diminished, resulting in impaired oxygen delivery to the body. As a result, many patients present to the pediatric intensive care unit or cardiac intensive care unit with signs and symptoms of cardiogenic shock (see Chapter 28).