Difference between revisions of "Apnea hypopnea index (AHI)"
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The AHI, as with the separate [[Apnea Index]] and [[Hypopnea Index]], is calculated by dividing the number of events by the number of hours of sleep. | The AHI, as with the separate [[Apnea Index]] and [[Hypopnea Index]], is calculated by dividing the number of events by the number of hours of sleep. | ||
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--[[User:Sleepster|Sleepster]] 04:02, 2 February 2012 (UTC) | --[[User:Sleepster|Sleepster]] 04:02, 2 February 2012 (UTC) | ||
Revision as of 04:02, 2 February 2012
AHI (Apnea Hypopnea Index)
| AHI | Rating |
|---|---|
| <5 | Normal |
| 5-15 | Mild |
| 15-30 | Moderate |
| >30 | Severe |
The Apnea-Hypopnea Index (AHI) is used as a measure of the severity of the condition known as sleep apnea. The AHI is the sum of the number of apneas (pauses in breathing) plus the number of hypopneas (periods of shallow breathing) that occur, on average, each hour. To count in the index apneas and hypopneas, collectively called events, must have a duration of at least 10 seconds.
The AHI, as with the separate Apnea Index and Hypopnea Index, is calculated by dividing the number of events by the number of hours of sleep.
--Sleepster 04:02, 2 February 2012 (UTC)
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