Inclusion Criteria:  Signed informed consent; Age 18 - 80 years old.  Diagnosis:  Acute myocardial infarction (I21.0, I21.1, I21.2, I21.3, I21.4, I21.9) Unstable angina (I20.0) Recurrent myocardial infarction (I22.0, I22.1, I22.8, I22.9)  Exclusion Criteria:  Lack of technical equipment to connect to remote monitoring programs; Severe cognitive dysfunction - dementia leading to maladjustment in everyday life; Mental illness in the acute stage; Oncological diseases requiring radiation and chemotherapy during the period of this study, as well as the corresponding stages of T3-4N2-3M1; Lack of technical ability to take part in telemonitoring (do not have the skills to work on a smartphone, computer, tablet, there is no appropriate technical means); Participation in other clinical studies to assess the effectiveness of pharmacological drugs; Infection with SARS-CoV-2 with laboratory confirmation during the period of this study; Acute coronary syndrome that developed in the hospital after surgery / intervention; The emergence during observation of the need for surgical (not counting myocardial revascularization) or chemotherapy treatment; Severe trauma (including craniocerebral) impeding observation according to the study protocol.