The Role of Urine Na+ Levels as A Predictor of Diuresis Response, Length of Stay, Rehospitalization And Death Due to Cardiovascular Disease In 30 Days Post Treatment in Acute Heart Failure Patients I Gede Bagus Bhaskara Wijaksana*, I Nyoman Wiryawan, and Luh Oliva Saraswati Suastika Abstract Background: The incidence of