Sleep studies

Alternative names
Polysomnogram; Polysomnography; Rapid eye movement studies

Definition
A polysomnograph is a test of sleep cycles and stages through the use of continuous recordings of brain waves (EEG), electrical activity of muscles, eye movement (electrooculogram), breathing rate, blood pressure, blood oxygen saturation, and heart rhythm and direct observation of the person during sleep.

see Polysomnogram.

Johns Hopkins patient information

Last revised: December 6, 2012
by Simon D. Mitin, M.D.

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