2Task Force for Diagnosis and Treatment of Acute and Chronic Heart failure 2008 of European Society of Cardiology.ESC Guideline for the diagnosis and chronic heart failure 2008;the Task Force for the Diagnosis and Treatment of Acute and Chronic Heart Failure 2008 of the European Society of Cardiology.Developed in collaboration with the Heart Failure Association of the ESC (HFA) and endorsed by the European society of Intensive Care Medicine (ESICM).Eur Heart J,2008,29:2388-2442.