Guidelines summarize and evaluate available evidence with the aim of assisting health professionals in selecting the best management strat- egies for an individual patient with a given condition. Guidelines and their recommendations should facilitate decision making of health professionals in their daily practice. However, the final decisions con- cerning an individual patient must be made by the responsible health professional(s) in consultation with the patient and caregiver as appropriate. A great number of guidelines have been issued in recent years by the European Society of Cardiology (ESC), as well as by other soci- eties and organisations. Because of the impact on clinical practice, quality criteria for the development of guidelines have been established in order to make all decisions transparent to the user. The recommendations for formulating and issuing ESC Guidelines can be found on the ESC website (https://www.escardio.org/ Guidelines/Clinical-Practice-Guidelines/Gui...