A Prospective, Single-center, Observational Study Aiming to Assess the Predictive Role of Flow Mediated Dilatation in Acute Coronary Syndromes, Combined With Echocardiographic and Biochemical Indices: The Novel Cor-IS Technology Will Also be Evaluated

Inclusion Criteria:

1. Age > 18 years

2. Patients hospitalized due to acute coronary syndrome (STEMI, NSTEMI)

3. Capability of providing written informed consent

4. Patients able to comply with the follow-up schedule of the study

Exclusion Criteria:

1. Patients with acute coronary syndromes classified as MINOCA, or type II myocardialinfarction

2. Patients with rare acute coronary syndrome types, such as spontaneous coronaryartery dissection or Takotsubo syndrome

3. Patients with congenital heart disease

4. Age > 85 years

5. Patients with end stage chronic kidney disease

6. Patients with active malignancy or autoimmune diseases which limit their survival

7. Patients with expected survival < 1 year due to other reasons

8. Suboptimal echocardiographic windows

9. Inability to provide written consent

10. Inability to comply with the follow-up schedule of the study

11. Pregnancy

12. Use of intravenous drugs