The apnea hypopnea index ahi and oxygen desaturation levels are used to indicate the severity of obstructive sleep apnea. Low sleep apnea oxygen level is a sign that your treatment for sleep apnea is not effective.
What happens with this test.
Oxygen level sleep apnea test. How is the information used. Randy clare brings to the sleep and respiratory scholar more than 25 years of extensive knowledge and experience in the sleep and. Oxygen levels should be 88 percent or higher.
Reductions in blood oxygen levels desaturation are recorded during polysomnography or limited channel monitoring. Patients with breathing problems during sleep sleep apnea copd often have low oxygen levels in their blood. Have your doctor check your oxygen saturation using a pulse oximeter.
It often drops by 3 or 4 percent and sometimes much more in association with sleep apnea events. Sleep apnea excessive dynamic. An electroencephalogram eeg to record your brain wave.
Parameters measured during a psg test include pulse oximetry to track oxygen levels in the blood and pulse rate. You can attach it to your finger and leave it on and your oxygen level can be monitored throughout the course of the night if you are in a sleep center undergoing testing which medical personnel are supervising. At sea level a normal blood oxygen level saturation is usually 96 97.
If you are suspected of having a sleep disorder like obstructive sleep apnea your medical provider may recommend that you undergo overnight pulse oximetry a commonly used screening test that evaluates blood oxygen levels. This testing is also used to qualify for home oxygen use. This oxygen decrease is called an oxygen desaturation.
Keep in mind that anything below 90 oxygen level is dangerous to your body and require intervention. The oxygen levels in the blood may fall repeatedly.
