Peking Union Medical College Hospital is a National center for the diagnosis and treatment of rare and difficult diseases in China. This book provides highly illustrated information on 50 challenging conditions in emergency medicine, including disorders of consciousness, headaches, dyspnea, hemoptysis, chest pain, abdominal pain and high fever, along with detailed medical information and proven clinical recommendations from initial diagnosis through extended treatment. The consistent format makes it ideal for readers to make a quick and accurate diagnosis as reference.