RT Book, Section A1 Murtagh, John A1 Murtagh, Clare SR Print(0) ID 1208724007 T1 Heart Failure T2 John Murtagh’s General Practice Companion Handbook, 8th Edition YR 2022 FD 2022 PB McGraw-Hill Education (Australia) Pty Ltd PP Sydney, Australia SN 9781743768266 LK murtagh.mhmedical.com/content.aspx?aid=1208724007 RD 2024/10/09 AB Heart failure is a complex syndrome resulting from any structural or functional cardiac disorder that impairs the ability of the ventricle to fill with or eject blood. It is classified as due to reduced ejection fraction (HFrEF), or systolic HF, and preserved faction (HFpEF), or diastolic HF.