Title: New-Onset Acute Heart Failure with Reduced Ejection Fraction Secondary to Unexplained Severe Microcytic AnemiaBrief Title: Acute Heart Failure Secondary to Unexplained AnemiaAuthors: Annabel Ricci BSc¹ , Cassandra Hunt BSc¹ , Chabelly Gomez MD2, Gerson Santafe MD, PGY-2³, Aimee Gonzalez MD, DABFM⁴ , Martha Duarte MD, MSc⁵ .Author Affiliations: