This document summarizes guidelines from the 2017 ACC/AHA/HFSA Focused Update for the management of heart failure. It discusses the initial evaluation of heart failure patients including the use of biomarkers for prevention, diagnosis and prognosis. It also reviews pharmacological treatments for stage C heart failure with reduced or preserved ejection fraction. Additionally, it examines important comorbidities seen in heart failure patients such as anemia, hypertension, and sleep disordered breathing.