In this chapter, the following terms have the meanings indicated. Terms Defined. “Board” means the State Board of Physicians. “Board eligible” means a physician’s status that starts upon completion of all the requirements to take a sleep medicine certifying examination and lasts for a limited period of time, as determined by the American Board of Medical Specialties or the American Osteopathic Association. “Capnography” means measurement of the amount of CO2 being eliminated from the lungs. “Committee” means the Polysomnography Professional Standards Committee established under Health Occupations Article, §14-5C-05, Annotated Code of Maryland. “Direct supervision” means supervision by a licensed physician who is physically present on the premises while services are provided. “Electroencephalography” means a test that measures the electrical activity of the brain as recorded by electrodes placed on the scalp. “Electromyography” means a test that measures the electrical activity of the muscles. “Electrooculography” means a test that measures the movements of the eye. “Enrolled in a sleep technologist educational program” means that a student has started the Accredited Sleep Technology Program self-study online modules developed by the American Academy of Sleep Medicine but has not completed the final self-study module. “General supervision” means supervision by a licensed physician who is available to give immediately available direction, either in person, by telephone, or by electronic means. “License” means a license issued by the Board. “Licensed polysomnographic technologist” means an individual licensed by the Board to practice polysomnography under the supervision of a licensed physician. “Licensed physician” means an individual who is licensed by the Board to practice medicine. “Oximetry” means a test that measures the concentration of oxygen in the blood. “PH probe” means a device to measure the acidity of the esophagus. “Plethysmography” means a test to measure changes in blood flow or air volume in different parts of the body. “Practice polysomnography” means: Monitoring and recording physiologic data during sleep, including sleep-related respiratory disturbances, under the supervision of a licensed physician; and Using the data collected under §B(17)(a) of this regulation for the purposes of assisting a licensed physician in the diagnosis and treatment of sleep and wake disorders. “Registered polysomnographic technologist” means a polysomnographic technologist who is registered by the Board of Registered Polysomnographic Technologists. “Student” means an individual who is: Enrolled in an accredited educational program in order to qualify for a license as a polysomnographic technologist; and Performing polysomnography services within the accredited program under the supervision of a licensed physician and without compensation. “Supervision” means general supervision or direct supervision of a licensed polysomnographic technologist by a licensed physician.