Experienced clinicians provide a clear, summarized and weighted guide to the large field of internal medicine. All contents of the training regulations for specialists in “Internal Medicine and Cardiology” are covered. The work provides the essentials of the subject. The latest diagnostic and therapeutic concepts are presented, with a focus on the facts relevant to daily patient care. Interdisciplinary topics such as heart and diabetes, heart and brain, heart and sport are also presented. Important key messages and potential errors are highlighted. In addition, the latest studies and guidelines from all important German, European and American specialist societies are taken into account, including the topics of telemedicine in cardiology and cardiac diseases in women.