For enquiries, support and information
Call us on 1300 854 344
For enquiries, support and information
Call us on 1300 854 344
What is AHI?
AHI stands for Apnoea-Hypopnea Index. The AHI is an index of severity that combines apnoeas and hypopneas. Combining them both gives an overall severity of sleep apnoea including sleep disruptions and desaturations (a low level of oxygen in the blood). The apnoea-hypopnoea index, like the apnoea index and hypopnea index, is calculated by dividing the number of apnoeas and hypopneas by the number of hours of sleep.
The severity of OSA as defined by the American Academy of Sleep Medicine Task Force (1999) is:
AHI < 5 =Normal
AHI 5-15 = Mild
AHI 15-30 =Moderate
AHI 30+ = Severe
Many CPAP systems will record your AHI. You can use this information to make sure that you are getting the best use out of machine.
The following CPAP machines have the capability to record and report AHI
Respironics M series Auto with Cflex
Respironics M series Auto with Aflex
Respironics Remstar Pro M-Series
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