This title is directed primarily towards health care professionals outside of the United States. It is written for those doctors starting their career in this specialty (or in general internal medicine). The text presents a succinct account of the subject concentrating on diagnostic techniques, treatment and management. Throughout extensive use is made graphics, lists and tables. The aim is to provide a 'bridge' between introductory undergraduate texts and the very large and expensive major reference works. Wherever possible evidence-based treatment options are given and referenced. A detailed list of further reading is also provided.