Clinical Research Directory

Inclusion Criteria: 1. Age ≥ 18 years of age at the time of consent 2. Diagnosis of HFrEF 3. EF \<35% within 3 months of hospital discharge 4. Current hospitalization for a cardiac event (an approved cardiac diagnosis, such as chronic angina, recent MI (heart attack), cardiac surgery, or recent percutaneous coronary intervention (PCI) e.g., stent placement) 5. Agreeable to complete 24 days of ICR and study requirements 6. Ability and willingness to sign the ICF 7. Referred to intensive cardiac rehabilitation at Washington University Heart Care Institute (HCI) at Barnes-Jewish West County Hospital (BJWCH). Exclusion Criteria: 1. Diagnosis of dementia 2. Significant orthopedic limitations (e.g., double amputee) (walking with a walker is acceptable) 3. Discharge to rehab facility or nursing home 4. Pregnant women 5. Currently enrolled in Hospice, not expected to live for 12 months 6. Undergoing treatment for any type of cancer other than skin cancer 7. History or evidence of any other clinically significant condition that, in the opinion of the investigator, might pose a safety risk to participants or interfere with study procedures, evaluation, or completion.