Abstract: Heart failure is growing epidemic condition and nearly half of the patients have preserved ejection (EF>50%). We aim to observe the baseline clinical characteristics and factors affecting hospital stay and outcomes after 28 days of follow up. An observational study was conducted among 200 patients who presented clinical features of heart failure according to Framingham Criteria, with Left ventricular EF > 50%, in College of Medical Sciences in the Department of Cardiology over a period of June 2015 to January 2017.Data were analyzed using IBM-SPSS 20.0 and descriptive and inferential analysis was performed.