EART FAILURE (HF) IS A highly prevalent syndrome with diverse etiologies that may be associated with reduced or preserved ejection fraction (EF).The pathophysiology of HF with reduced EF has been extensively studied and management strategies are well defined. 1 Conversely, while clinical series, epidemiological surveys, and clinical trials have improved our understanding of HF and preserved EF, 2,3 controversy remains on many key elements of this entity, including its prevalence, clinical characteristics, and outcome. 4To this end, the prevalence and distribution of diastolic dysfunction among patients with HF and reduced or preserved EF has not, to the best of our knowledge, been reported.][4] We addressed these knowledge gaps by prospectively studying all Olmsted County residents presenting with HF at Mayo Clinic inpatient and outpatient facilities.Our objective was to determine

Systolic and Diastolic Heart Failure in the Community