The respiratory disturbance index (RDI)—or respiratory distress Index—is a formula used in reporting polysomnography (sleep study) findings. Like the apnea-hypopnea index (AHI), it reports on respiratory distress events during sleep, but unlike the AHI, it also includes respiratory-effort related arousals (RERAs).[1] RERAs are arousals from sleep that do not technically meet the definitions of apneas or hypopneas, but do in some way disrupt breathing during sleep and cause respiratory symptoms that may cause an arousal.
A RERA is characterized by increasing respiratory effort such as dyspneas (and thus decreasing esophageal pressures) for 10 seconds or more leading to an arousal from sleep, but one that does not fulfill the criteria for a hypopnea or apnea.[2]
^Richardson, Mark A., & Friedman, Norman R. (Eds.) (2007). Clinician's Guide to Pediatric Sleep Disorders, p. 75. New York: Informa Healthcare USA, Inc.
regulatory law passed by the Parliament of India Respiratory-effort related arousal, see Respiratorydisturbanceindex Rera, a fictional character, the alter ego...
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the Apnea-Hypopnea Index, the RespiratoryDisturbanceIndex includes Respiratory Effort-related Arousals (RDI = AHI + RERA Index). In 2005, the definition...
the severity of the condition, the Apnea-Hypopnea Index (AHI) or the RespiratoryDisturbanceIndex (RDI) are used. While the AHI measures the mean number...
the number of hours of sleep. Another index that is used to measure sleep apnea is the RespiratoryDisturbanceIndex (RDI). The RDI is similar to the AHI...
the severity of the condition, the Apnea-Hypopnea Index (AHI) or the RespiratoryDisturbanceIndex (RDI) are used. While the AHI measures the mean number...
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