The goal of this clinical trial is to find out if newly developed, culturally adapted educational videos-sent through a mobile messaging app-can help people with coronary heart disease do better in a home-based cardiac rehabilitation program in Malaysia.
The main questions it aims to answer are:
* Do the educational videos help participants improve their fitness?
* Do the videos help participants better understand heart health and stick to a healthy lifestyle?
Researchers will compare the educational videos to existing standard educational materials to see if the video-based education is more helpful for supporting rehabilitation at home.
Participants will:
* Take part in a 12-week home-based cardiac rehabilitation program
* Receive either educational videos or standard education materials
* Meet with the cardiac rehabilitation team every 4 weeks
* Complete a treadmill exercise test, blood tests, and questionnaires before and after the program.