Effect of Monitoring Continuous Glucose Levels and Physical Activity Via Wearables on Cardiovascular Risk Factors

Inclusion Criteria: * Informed Consent signed by the subject * Completed outpatient cardiac rehabilitation * Diagnosis of coronary heart disease * Access to a smartphone for the duration of the study * 18 years or older on the date of consent Exclusion Criteria: * Diseases which limit physical activity including angina with incomplete revascularisation, arrhythmogenic cardiomyopathy, stroke with residual disease, and major orthopaedic disorders * Known or suspected non-compliance * Inability to follow the procedures of the investigation, e.g., due to language problems, psychological disorders, dementia, etc. of the subject * Diabetic patients receiving insulin therapy * Lack of proficiency with smart phone/watch * Current participation in any other clinical trial, which may confound the results of this trial. * NYHA (New York Heart Association) class III or IV congestive heart failure * Pregnancy