Clinical Study for the Investigation and Validation of a Therapy Procedure for the Adjustment of Risk Factors in Patients With Coronary Heart Disease by Means of Digital Therapy Control

Inclusion Criteria: * ≥ 18 years * Patients diagnosed with ischemic heart disease according to ICD I20 to I25 who also have at least one of the following: 1. inpatient stay with acute STEMI/NSTEMI or historic STEMI/NSTEMI; and/or 2. Coronary stent implantation, angioplasty or bypass surgery that has taken place. * Ownership and use of a smartphone that allows installation and use of "iATROS," where "use" requires having the physical and mental ability to use and apply the iATROS app. * Insured with the cooperating insurances Exclusion Criteria: * No use of a smartphone * Lack of the linguistic, physical and mental abilities necessary to use the iATROS app, or to use so-called "apps" on a smartphone or tablet in general. * Absolute contraindications: Any disease associated with a reduced life expectancy of less than 2 years; Any disease/condition that limits participation in the program; Pregnant or breast feeding patients; Patients with advanced dementia * Existing participation and enrollment in an iATROS health program. * Participation in another clinical trial if participation results in complications with compliance, measures to be performed, bias of results, or status of treatment according to the current standard of care. * Comorbidities or the presence of another physical condition that complicates the setting of the clinical target parameters sought in the study (i.e., if, due to the patient's individual situation, a different value would have to be issued as the target value for a clinical parameter to be classified as healthy).