Clinical Research Directory

Inclusion Criteria: * Patients with atherosclerotic cardiovascular diseae 1. history of cardiovascular disease (acute myocardial infarction, unstable angina, stable angina) 2. history of revascularization including percutaneous coronary intervention, peripheral angioplasty or bypass surgery 3. history of stroke 4. history of peripheral arterial disease presumed to be of atherosclerotic origin * Patients who have smartphone and can use app by themselves * Patients who can speak and read Korean language Exclusion Criteria: * Patients with evidences of delirium, confusion or impaired consciousness * Patients who are not familiar to smartphone or app * Patients who are not supposed to follow the study protocol adequately.