The AWARENESS HF-PD is a cross-sectional, multicenter, survey-based study. Cases who were admitted to the outpatient clinic and hospitalized with the diagnosis of Heart Failure (Acute and Chronic) will be included in the study.

Data entry personnel to be assigned at the centers throughout the study will apply a questionnaire consisting of different questions to patients referred to them by clinicians with the diagnosis of HF. In addition, clinical features of HF from the current file of the cases (NYHA, comorbid conditions, comorbid diseases, blood pressure, heart rate, latest biochemistry (BNP/NTproBNP if available), hematology test results, most recent ECG, most recent echocardiography , coronary angiography report, if any) will be recorded. No additional examination/procedure will be performed for the study, only the data of the examinations requested by the clinician in routine clinical practice will be entered. A total of 200 patients from 3 centers will be included in this study over a six-month period.

Inclusion Criteria:

1. Male or female patients aged 18 and over
2. Patients diagnosed with acute or chronic heart failure
3. Patients who agreed to participate in the study

Exclusion Criteria:

1. Patients who stated that they did not agree to participate in the study
2. Patients who were not diagnosed with Heart Failure or whose diagnosis was changed or not confirmed during the index application
3. Pregnancy

Cases with the diagnosis of Heart Failure (Acute and Chronic) who were admitted to the outpatient clinic and hospitalized will be included in the study. It is planned to include 200 patients from 3 centers in this study.