Misdiagnoses in medicine often have serious consequences for the patient: incorrect therapy and worsened prognosis can have a lasting impact on quality of life. This book highlights the topic of "misdiagnoses and patient safety" in light of significant diagnostic advancements. Following an introductory chapter on the definition and frequency of misdiagnoses, the book presents misdiagnoses from various fields of internal medicine. It also addresses errors in drug therapy. Additionally, the book offers overview contributions on diagnostic quality management, guidelines, and risk management for patients. It is equally interesting for general practitioners, internists, neurologists, psychiatrists, practitioners, and clinical pharmacologists.