Acute Decompensated Heart Failure in Preserved and Mid Range Vs Reduced Ejection Fraction: Predictive Factors for all Cause In-Hospital Mortality, a Retrospective Observational Analysis

Background: Heart failure (HF) remains an important cause of morbidity and mortality. HF experts have classified HF into 3 distinct groups based on left ventricular ejection fraction (LVEF); HF with reduced EF (HFrEF), HF with mid-range EF (HFmrEF) and HF with preserved EF...