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Home >Information for Patients > Dictionary Index

Dictionary of Cancer Terms

View in Spanish: Polisomnograma

Polysomnogram (PAH-lee-SOM-noh-gram)
A group of recordings taken during sleep that shows brain wave changes, eye movements, breathing rate, blood pressure, heart rate, and the electrical activity of the heart and other muscles. A polysomnogram may be used to help diagnose sleep disorders.

Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.