This diagnostic book is designed to help busy residents and students. Written in three sections, it is organized according to modalities of patient care from a presenting complaint to diagnosis and then follow-up. The first section, clinical symptoms, features an algorithms and tables format. The second section consists of data evaluation, and includes consideration of results from certain common laboratory tests as well as indications for specialized testing. The third section addresses clinical conditions described according to organ systems, divided into disease entities. It includes information for the clinician to consider in order to rule out specific disease entities. A Brandon-Hill recommended title.