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Polysomnography (PSG) is a multi-parameter type of sleep study [1] and a diagnostic tool in sleep medicine.The test result is called a polysomnogram, also abbreviated PSG.The name is derived from Greek and Latin roots: the Greek πολύς (polus for "many, much", indicating many channels), the Latin somnus ("sleep"), and the Greek γράφειν (graphein, "to write").
Polysomnography records several body functions during sleep, including brain activity, eye movement, oxygen and carbon dioxide blood levels, heart rate and rhythm, breathing rate and rhythm, the flow of air through the mouth and nose, snoring, body muscle movements, and chest and belly movement. [2]
It provides news and articles about subjects related to polysomnography. A2Zzz also provides the opportunity for RPSGTs and CPSGTs to earn 1.5 CECs per issue. [5] The AAST was founded in April 1978 when thirty to forty sleep technologists gathered. The organization was originally called the Association of Polysomnographic Technologists (APT).
Sleep diary layout example. Sleep medicine is a medical specialty or subspecialty devoted to the diagnosis and therapy of sleep disturbances and disorders. [1] From the middle of the 20th century, research has provided increasing knowledge of, and answered many questions about, sleep–wake functioning. [2]
In 1963, a 7-Eleven store near an Austin, Texas, university began to stay open all night for student shoppers. It was such a success that other stores in the chain adopted the 24/7 hours, and ...
If one of the following laboratory methods is used, it must demonstrate a significant delay in the timing of the habitual sleep period: 1) 24-hour polysomnographic monitoring (or two consecutive nights of polysomnography and an intervening multiple sleep latency test), 2) Continuous temperature monitoring showing that the time of the absolute ...
Excessive daytime sleepiness (EDS) is characterized by persistent sleepiness and often a general lack of energy, even during the day after apparently adequate or even prolonged nighttime sleep.
Pediatric polysomnography patient, Children's Hospital (Saint Louis), 2006. Somnology is the scientific study of sleep. It includes clinical study and treatment of sleep disorders and irregularities. Sleep medicine is a subset of somnology. Hypnology has a similar meaning but includes hypnotic phenomena. [1]