An INTERNATIONAL, OBSERVATIONAL, BLINDED STUDY to ASSESS the PERFORMANCE of the CORDIO HEARO SYSTEM

Major Inclusion Criteria:

1. Age 22 or greater

2. Diagnosed with Symptomatic Chronic Heart Failure [NYHA II-IVa (ambulatory)]

3. At least one of the following:

4. One ADHF hospitalization in the last 12 months

5. One unplanned IV/SC diuretic administration in the last 6 months

6. Two unplanned IV/SC diuretic administrations in the last 12 months

7. NTProBNP >500 pg/ml

8. Clinically stable HF according to investigator discretion

9. Willing to participate as evidenced by signing the written informed consent.

Major Exclusion Criteria:

1. Unable to comply with daily use of the App,

2. Has had a major cardiovascular event within 3 months prior to enrolment.

3. Had a Cardiac Resynchronization Therapy Device (CRT) implanted or upgrading ≤ 1month prior to screening visit.

4. Has estimated Glomerular Filtration Rate (eGFR) < 30 ml/min/1.73.

5. Is likely to undergo heart transplantation/ LVAD within 6 months of Screening Visit.

6. Was treated for a significant COPD