Evidence, experts, trustworthy guidelines and WikiRecs.

Clinical practice guidelines, based on the concept of evidence-based medicine, have positively impacted care of patients with cardiovascular disease, since their introduction over 30 years ago. Guidelines both ‘guide’ clinical practice and inform national and local healthcare policy. Now, a new definition for trustworthy guidelines —supported by explicit standards—is a major advance widely recognised by the guideline community, but largely unknown within the cardiology community.