These sensors collect data on your breathing and oxygen to determine if you had any apneas or hypopneas.The Embletta MPR PSG Sleep Study System is scalable from Type IV to Type I PSG testing. To determine your blood oxygen level, your sleep test has an oximeter tubing and an oximeter sensor. Your sleep test also has an effort sensor and chest belt that help to collect data on how hard it is for you to breathe (was there an obstruction causing hypopnea?) When you breathe, the tube carries your breath to the ApneaLink Air device, which records your data. Home sleep studies from have a nasal cannula-a tube that fits just into the beginning of your nostrils. Your home sleep study is equipped with many sensors that collect and store data in the ApneaLink Air device. How does the sleep study determine my breathing and blood oxygen level? Your AHI score would equal (20+40)/8, which is 7.5, putting your AHI in the mild sleep apnea category. ![]() So let’s say that you stopped breathing 20 times during the night, had a partial obstruction 40 times, and slept for eight hours. So your AHI score is a combination of how many apneas and hypopneas you experienced during the night divided by the number of hours you slept. ![]() Your sleeping partner probably hears this partial obstruction-snoring! Basically, you have a partial obstruction in your airway, which doesn’t allow you to get all the oxygen you need, but it’s not a full obstruction that causes a true apnea episode. A hypopnea episode is when you experience 50% less ventilation which results in a 4% or more reduction of oxygen in your arteries. An apnea episode is when you stop breathing for at least 10 seconds while you are asleep. Let’s dive a little deeper into the AHI and how a sleep study will determine your score. It’ll tell you the severity of your sleep apnea. Your AHI is the most important number on your sleep study results. In the following sections, we'll discuss the main components of your sleep test and provide an overview of understanding the results. Being well-informed will help you understand the severity of your condition and why you’re recommended certain treatment options over others. ![]() But we understand that it’s only natural to want to have an understanding of how to read the results of your sleep test. Your sleep test from comes with a post-telemedicine visit in which a sleep physician will explain your results and let you know if you have sleep apnea, what kind, and its severity. If you’re reading this post, you’ve likely already taken your home sleep test or will shortly. There are treatment options that can help you get the sleep you need without disrupting your life. We understand, but sleep apnea isn’t a curse, and it doesn’t have to be complicated or difficult to treat. Sometimes it feels like the punches just keep coming. Frustration because it’s just another thing you have to deal with. Relief because you finally have answers to why you’re so tired during the day, wake up with headaches, and have a short fuse (among other symptoms!). Learning that you have sleep apnea can be both a relief and frustration.
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