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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").
The Board of Registered Polysomnographic Technologists (BRPT) maintains credentialing for polysomnographic technologists. It offers two credentials, the registered and certified polysomnographic technologist credentials (the RPSGT and the CPSGT).
Sign with text: Sömnförsök pågår (Sleep study in progress), room for sleep studies in NÄL hospital, Sweden. A sleep study is a test that records the activity of the body during sleep. There are five main types of sleep studies that use different methods to test for different sleep characteristics and disorders.
In the United States and worldwide, the process for becoming a polysomnography technician or technologist is primarily either on-the-job or certificate based. [1] There are associate level programs offered by for-profit schools that award a degree in polysomnography technology in the United States, though not necessary to attain employment with ...
A hypnogram is a form of polysomnography; it is a graph that represents the stages of sleep as a function of time. It was developed as an easy way to present the recordings of the brain wave activity from an electroencephalogram (EEG) during a period of sleep.
The U.S. Commerce Department on Thursday finalized an award to SK Hynix of up to $458 million in government grants to help fund an advanced chip packaging plant and research and development ...
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Andrew Thomas House, in Carroll County First Christian Church, designed by Eliel Saarinen, in Bartholomew County Jeffries Ford Covered Bridge, destroyed by fire in 2002 but still NRHP-listed, in Parke County State Bank of Indiana, Branch of (Memorial Hall), in Vigo County USS LST 325 (tank landing ship), Vanderburgh County St. Augustine's Episcopal Church, designed by Edward D. Dart, in Lake ...