Abstract
The left ventricular ejection fraction (LVEF), the most widely used index of LV function, has an essential role in defining heart failure (HF) phenotypes and guiding treatment of chronic HF. 1 Maddox TM Januzzi JL Allen LA Breathett K Butler J Davis LL et al. 2021 Update to the 2017 ACC Expert Consensus Decision Pathway for Optimization of Heart Failure Treatment: answers to 10 pivotal issues about heart failure with reduced ejection fraction: a report of the American College of Cardiology Solution Set Oversight Committee. J Am Coll Cardiol. 2021; 77: 772-810 Crossref PubMed Scopus (83) Google Scholar
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