POLYSOMNOGRAPHY Meaning and
Definition
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Polysomnography is a diagnostic test that records various physiological activities of an individual during sleep. It is used to evaluate and diagnose sleep disorders and related conditions. Polysomnography involves the simultaneous measurement and recording of multiple body functions, including brain activity with an electroencephalogram (EEG), eye movement with an electrooculogram (EOG), muscle activity with an electromyogram (EMG), and heart rhythm with an electrocardiogram (ECG). Additionally, respiratory parameters such as chest and abdominal movements, airflow, and oxygen saturation level are also monitored.
This comprehensive monitoring allows healthcare professionals to assess sleep quality, identify abnormalities, and provide an accurate diagnosis of sleep disorders such as sleep apnea, insomnia, narcolepsy, restless leg syndrome, and others. Polysomnography is typically conducted overnight in a sleep laboratory or specialized facility, where the patient's sleep patterns and body functions are closely monitored by trained technicians. The data collected during polysomnography is then analyzed by sleep specialists to determine the presence and severity of any sleep disorders.
Polysomnography plays a vital role in the management and treatment of sleep disorders by providing valuable information for physicians to develop an appropriate treatment plan. This diagnostic test helps uncover the underlying causes of sleep disturbances and assists healthcare professionals in recommending lifestyle changes, prescribing medications, or suggesting other interventions to improve sleep quality and overall well-being.
Common Misspellings for POLYSOMNOGRAPHY
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Etymology of POLYSOMNOGRAPHY
The word "Polysomnography" is derived from two Greek words: "poly", meaning "many", "somnus", meaning "sleep", and "graphia", meaning "writing" or "the process of recording".
So, "Polysomnography" literally translates to "the process of recording multiple aspects of sleep". It refers to a specialized diagnostic test that involves monitoring and recording various parameters during sleep, such as brain activity, heart rate, breathing patterns, eye movements, and muscle activity.
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