As the prevalence of heart failure(HF) is increasing, so is the incidence of acute decompensated heart failure(ADHF) leading to hospital admission. With improvements in treatment for ADHF, more people are surviving the ordeal of ADHF and the focus has now shifted to the duration of stay in hospital, with patients eager to go home and resume their daily activities. in literature there is dearth of markers predicting the hospital stay duration, which has traditionally been sodium levels in sodium. Recently BUN: Creatinine ratio (BCR)is garnering significance as prognostic predictor in heart failure.