Hyponatremia

Heart failure (HF) is a complex and progressive clinical syndrome that can result from any structural abnormality or functional impairment of ventricular filling or ejection of blood.1 The term “heart failure” is preferred over “congestive heart failure” because some patients may show no signs or symptoms of volume overload.1 An estimated 5.1 million Americans >20 yrs of age have HF based on NHANES 2007-2010 data.2 By 2030, projection show that the prevalence of HF will increase 25% from…