Guideline Implementation and Quality of Care Evaluation in Patients With Heart Failure and Reduced Ejection Fraction (HFrEF)

Inclusion Criteria: 1. Written informed consent 2. Age ≥18 years 3. Diagnosis of HFrEF according to ESC HF 2026 guidelines (EF \<50%) 4. Participant is willing to participate for 1 years of follow-up for standard of care at the outpatient clinic of the participating hospital and the local investigator follows the patients for the time frame of 1 years on reported endpoints. Exclusion Criteria: 1. An expected life expectancy less than 1 year due to other comorbidities according to the treating physician 2. A major CV event (e.g. disabling stroke, open heart surgery) within 3 months of enrollment, if likely to interfere with GDMT titration or regular follow-up. 3. Advanced or Endstage Heart Failure stage in which advanced HF treatment with an LVAD or heart transplant is anticipated within 6 months after the baseline visit. At enrollment the patient has an established diagnosis of heart failure with reduction ejection fraction.