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Chapter 29 Essentials of Polysomnography and Recommendations in Adults

BOOK TITLE: NCCP Textbook of Respiratory Medicine

Author
1. Behera D
2. Gupta Rajnish
ISBN
9789350252123
DOI
10.5005/jp/books/11207_30
Edition
1/e
Publishing Year
2011
Pages
10
Author Affiliations
1. LRS Institute of Tuberculosis and Respiratory Diseases, Sri Aurobindo Marg, Mehrauli, New Delhi, India, LRS Institute of Tuberculosis and Respiratory Diseases, Sri Aurobindo Marg, New Delhi, LRS Institute of Tuberculosis and Respiratory Diseases, New Delhi, India; Postgraduate Institute of Medical Education and Research, Chandigarh, India, Postgraduate Institute of Medical Education and Research, Chandigarh, LRS Institute of TB and Respiratory Diseases, New Delhi, India, Postgraduate Institute of Medical Education and Research, Chandigarh (India), Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh, India; LRS Institute of Tuberculosis and Respiratory Diseases Sri Aurobindo Marg New Delhi, India, Lala Ram Swaroop Institute of Tuberculosis and Respiratory Diseases, Sri Aurobindo Marg, New Delhi, India, Postgraduate Institute of Medical Education and Research, Chandigarh, India, Postgraduate Institute of Medical Education and Research Chandigarh, India, Postgraduate Institute of Medica
2. LRS Institute of Tuberculosis and Respiratory Diseases, New Delhi, India, LRS Institute of Tuberculosis and Respiratory Diseases, Sri Aurobindo Marg, New Delhi
Chapter keywords

Abstract

The term, polysomnography (PSG), was derived in 1974 from the Greek word “poly,” meaning many, the Latin word “somnus,” meaning sleep, and the Greek word “graphein” meaning to write. It refers to the multiple tests performed on a patient during sleep in order to evaluate sleep disorders. It generally includes recording of EEG, electro-oculogram (EOG), EMG, oro-nasal airflow, electro-cardiogram (ECG), thoracic and abdominal movements, body position, snoring, oxyhemoglobin saturation and leg movements.

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