American Society of Hematology disorders of the hematopoietic, hemostatic, and lymphatic systems, and disorders of the interaction between blood and the blood vessel wall. An American hematologist has trained in a subspecialty program approved by the American Board of Internal Medicine or the American Board of Pediatrics, or has acquired a comparable education in the field by alternate means, and is Board Certified (or eligible) in the subspecialty of hematology. Diagnostic expertise of a hematologist A hematologist is expert in the investigation, diagnosis, and management of disorders of the aforementioned organ systems through the use of the medical history, physical findings, specialized clinical laboratory
International Classification of Sleep Disorders Psychophysiological Study of Sleep and was published in the journal Sleep in 1979. A second edition, called ICSD-2, was published in 2005. The third edition, ICSD-3, was released in 2014. In 1979, the first Diagnostic Classification of Sleep and Arousal Disorders (DCSAD) was developed by the Association of Sleep Disorders Centers (ASDC) and the Association for the Psychophysiological Study of Sleep. Disorders were divided into three main categories. The first comprehensive classification of disorders of sleep and arousal was developed by the American Academy of Sleep Medicine (AASM) in association with the European Sleep Research Society, the Japanese Society of