Heart failure is a chronic condition in which the heart muscle become unable to pump enough blood to meet the body's needs for blood and oxygen. In other words, it becomes difficult for the heart to keep up with its workload (Searle, Frick, & Möckel, 2016). According to Searle et al. (2016), many patients with chronic heart failure do not have access to the health information that is required for them to manage their health problem adequately. This lack of knowledge is a major factor that causes mortality and hospital readmission. Another factor that can lead to complication and increase mortality rate of heart failure patients is the lack of treatment adherence (Searle et al. 2016). Previous research studies have conducted some studies to
