To evaluate if Italian Cardiologists are treating Heart Failure (HF) patients according to International guidelines and if a structured educational program can improved their adherence.

Multicentre, cross-sectional, prospective, non-interventional, observational study designed to evaluate the level of adherence to current ESC guidelines recommendations in both acute and chronic HF patients enrolled in each participating center and to verify if a specific HF educational intervention composed by an educational web based program of data collection and face to face meetings is able to improve adherence to guidelines recommendations evaluated during a second enrollment period.

Inclusion Criteria:

• All consecutive patients with chronic HF and those admitted for acute (de novo) or worsening chronic HF.
• Chronic HF: any NYHA class (I-IV).
• Acute HF Only patients in NYHA class III or IV, or with pulmonary edema or cardiogenic shock for whom an IV therapy specific for HF (diuretic, vasodilators, vasopressors) is administered.
• Any gender.
• Any etiology of HF.
• Any level of EF.
• Written informed consent.

Exclusion Criteria:

• - Age <18 years.
• Inclusion in registries or trials that can influence, by protocol, the clinical management of patients.
• Patients already enrolled in the BLITZ HF (by another participating centre or in the first enrollment period).

Hospitalized and ambulatory heart failure patients admitted to or evaluated in Italian Hospitals