Training and consultancy services based on the teach-back method will be provided to individuals in the training group using the "Heart Failure Training Guide" in the form of 3 follow-ups in the cardiology clinic and telephone counseling. Telephone interviews were conducted by the researcher in the first week after discharge, it will be held in the first month and 3rd month. In addition, patients will receive counseling by calling the researcher if necessary.

Patients in the control group will participate in standard educational practices implemented in the clinic.Patients will be contacted by phone 3 months after discharge. Data collection forms will be applied as a final test.

Training and consultancy services based on the teach-back method will be provided to individuals in the training group using the "Heart Failure Training Guide" in the form of 3 follow-ups in the cardiology clinic and telephone counseling. Telephone interviews were conducted by the researcher in the first week after discharge, it will be held in the first month and 3rd month. In addition, patients will receive counseling by calling the researcher if necessary.

The scale consists of seven yes/no closed-ended questions with two options and one closed-ended question with five options. 1 point is given for answering no to questions one, two, three, four, six and seven, and 1 point is given for answering yes to question five. The eighth question consists of a multiple choice question called Likert type.A high score from the scale indicates high compliance with treatment.

The scale applied to measure the self-care behaviors of patients with heart failure has been determined as a scale that provides results in a short time, does not require separate training, and can be applied by the patients themselves. Identifying symptoms related to heart failure such as edema, respiratory distress, and fatigue; It is a Likert-type scale consisting of 12 questions that measures self-care assessment actions such as regular use of medications for these symptoms, fluid and salt restriction, communication with healthcare personnel, and weight monitoring.A high total score indicates low self-care, a low score indicates high self-care.

Developed by et al. aimed to evaluate the presence, frequency and severity of seven main symptoms, such as dyspnea during the day, dyspnea while lying down, fatigue, angina, edema, sleep problems, dizziness or loss of balance, which are the most common in HF patients, and to what extent each of them affects the patient.