The website was created under the name of "Cardiac Rehabilitation Support Program". The language of the website is Turkish. Designed for computer, tablet and mobile phone use. Patients must be registered to access the website. After creating a six-digit password during registration, they log in to the website with their e-mail address and this password. The password is determined specifically for the patient. There is a welcome text on the home page of the website. The main headings in the menu section; trainings, disease management questions, questionnaires, ask questions to the researcher.

patients received their training before discharge from the hospital and no intervention was made for 12 weeks.

First of all, a preliminary interview was made with the patients in the experimental group, and their information needs were evaluated individually. Which trainings he should receive and his priorities were determined with the patient. After the training requirements were determined, the general introduction of the website was made and they were allowed to register. Experimental group patients received both training on the website and counseling over the phone for 12 weeks after they started working. A total of 3 phone calls were made with the patients in the first week, 4th and 8th weeks. The interviews lasted an average of 20 minutes. In each phone call, patients were informed and reminded. When patients needed, an average of 2-3 more phone calls were made and information was provided on the subjects they needed.

Healthy Lifestyle Behaviors Scale II: The scale has 52 items and six factors.The lowest score obtained from the scale is 52, and the highest score is 208.Healthy lifestyle behaviors score is obtained from the overall score of the scale.High scores obtained from the scale indicate a high level of healthy lifestyle behaviors.

Medication Adherence Questions:

There are three questions in order to evaluate the patients' compliance with drug therapy. These; It consists of questions such as "Do you have problems remembering to take your medicine regularly, do you stop taking your medicine without your doctor's advice when your complaints subside/end, if you don't feel well when you take your medicine (side effects etc.) do you stop taking your medicine?"

EQ-5D General Quality of Life Scale: It was developed by the Western European Quality of Life Research Society. It consists of five dimensions. In these five dimensions; mobility and walking or walking, doing daily activities with normal daily activities, feeling of pain/discomfort and anxiety/depression and feeling anxious, etc. are evaluated. For the answers given to each dimension, there is no problem, there is some problem, and major problem options are included. A score between -0.59 and 1 is calculated from the five dimensions of the scale. A value of 0 is death, a value of 1 is perfect health, negative values are unconscious and bedridden, etc. points to the results. The scale also includes an easily understandable version of the rated Visual Analog Scale (VAS). Here, participants rate their overall health status from 0 to 100. A score of 100 represents the best health imaginable, while 0 represents the worst.