Changes

The Peak AHI graph gives graphical information about the number of apneas and hypopneas recorded in any 60 minute period during the given night's data. The Maximum Peak AHI is the maximum number of events that occurred during any one hour of the given night; this is a crude measure of how bad the worst hour of the night was. The Maximum Peak AHI values are usually going to be quite a bit higher than the overall AHI for the night because for most of use, once we start CPAPing we have long period with no events and hopefully many hours where the hourly AHI is at or close to 0. This graph can provide insight whether apnea tend to be clustered, or spread out through the night. Clustered events often mean a positional apnea issue where the airway becomes obstructed as a result of the sleeper's posture (such as chin-tucking or poor head and neck alignment), rather than soft-tissue impingement on the pharynx in the airway.