Standard polysomnography includes which of the following? 1. Esophageal pH 2. Submental electromyogram 3. Electrooculogram 4. Intrapleural pressure
a. 1 and 2 c. 2, 3, and 4
b. 2 and 3 d. 1, 2, 3, and 4
ANS: B
Standard polysomnography includes electroencephalogram, electrooculogram, submental elec-tromyogram, tibialis electromyogram, breathing pattern, SpO2, PCO2, and electrocardiogram. In-trapleural pressure and esophageal pH are special procedures that may be required after poly-somnography.
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