Guidelines – EchocardiographyBritish Society of Echocardiography – Guidelines & StatementsAmerican Society of Echocardiography – ASE Guidelines & StandardsGeneral Cardiovascular GuidelinesLeitlinien der Deutschen Gesellschaft für KardiologieCardix – klinischer Leitfaden (UniversitätsSpital Zürich)ESC Clinical Practice GuidelinesAmerican College of Cardiologists – Education and MeetingsAmerican College of Cardiologists – Guideline EducationContinuing Medical Implementation – Cardiovascular Guidelines