Inclusion criteria:
Patients aged between 18 and 65 years
clinical diagnosis of HF levels 1, 2 and 3 according to the New York Heart Association classification system (NYHA) by a cardiologist and left ventricular ejection fraction less than 40% based on echocardiography
Have acute coronary artery syndrome for the past 2 weeks or coronary artery bypass graft disease or medical surgery based on a diagnosis made by a cardiologist
be able to read, write and fill out questionnaires
not having severe depression based on the CDS questionnaire (scoring less than 100)
having good cognitive function (score above 22 in MMSE test)
having a score less than 70 in self-care behavior scale
Exclusion criteria:
History of claudication, clinical instability, ventricular arrhythmia, primary valve disease, congenital heart disease, hypertrophic or restrictive cardiomyopathy, myocarditis, COPD and pericardial effusion, and history of myocardial infarction in the previous month, acute coronary artery syndrome during the last 2 weeks or patients with coronary artery bypass graft or heart surgery, , , , i
Being a recipient of other occupational therapy services
Having vision and hearing problems that prevent communication
Hospitalization at the time of implementing the intervention,
Living in maintenance institutions
Having unstable angina or high blood pressure
Having any psychiatric disorder treated based on medical documentation
Having any neurological or psychological disorders that impair the ability to walk or cognitive function
Infection with COVID-19 at the time of intervention
Having myocarditis, severe COPD and pericardial effusion and a history of myocardial infarction in the previous month and uncontrolled diabetes and kidney failure based on medical documentation