respiratory disturbance index

respiratory disturbance index (RDI),

a calculation of the average number of incidents of hypopnea and apnea per hour of sleep, as measured by polysomnography. A few sleep laboratories use this term to refer to any disturbance during sleep, including leg movements, snoring, and other phenomena, but such usage is generally discouraged by experts in the field. Synonym(s): apnea-hypopnea index

respiratory disturbance index

A measurement of the number of disordered breathing cycles during sleep. Sleep disordered breathing, which includes both apneas and hypopneas, results in daytime fatigue. It is also associated with an increased prevalence of cardiovascular disease. See also: index

res·pi·ra·to·ry dis·turb·ance in·dex

(respir-ă-tōr-ē dis-tŭrbăns indeks) A calculation of the average number of incidents of hypopnea and apnea per hour of sleep, as measured by polysomnography.
Synonym(s): apnea-hypopnea index.

单词	respiratory disturbance index
释义	DictionarySeeindex respiratory disturbance index respiratory disturbance index (RDI), a calculation of the average number of incidents of hypopnea and apnea per hour of sleep, as measured by polysomnography. A few sleep laboratories use this term to refer to any disturbance during sleep, including leg movements, snoring, and other phenomena, but such usage is generally discouraged by experts in the field. Synonym(s): apnea-hypopnea index respiratory disturbance index A measurement of the number of disordered breathing cycles during sleep. Sleep disordered breathing, which includes both apneas and hypopneas, results in daytime fatigue. It is also associated with an increased prevalence of cardiovascular disease. See also: index res·pi·ra·to·ry dis·turb·ance in·dex (respir-ă-tōr-ē dis-tŭrbăns indeks) A calculation of the average number of incidents of hypopnea and apnea per hour of sleep, as measured by polysomnography. Synonym(s): apnea-hypopnea index. LegalSeeIndexAcronymsSeeRDI
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