osa testing

polysomnography is the simultaneous recording of multiple physiologic signals during sleep. the eeg, eog, and chin emg signals are necessary to determine whether a person is awake or asleep, and also to determine whether his or her pattern of sleep is normal. polysomnography is usually performed in a sleep laboratory with monitoring by a sleep technician.




with this test, monitors record a smaller number of physiologic signals than during polysomnography. generally the signals are focused on breathing and blood oxygen levels. this test is usually performed in the home in the absence of a sleep technician, but sometimes it is used in a sleep laboratory setting. this method is also used for follow-up testing of people with osa, to determine whether their treatments are effective.

if you have symptoms of sleep apnea, your doctor may ask you to have a sleep apnea test, called a polysomnogram (psg). the recordings are analyzed by a qualified sleep specialist to find out if you have sleep apnea or another type of sleep disorder. your doctor will tell you whether to take your medications as usual or stop using them before the test. on the night of your sleep study, if you’re in a sleep center lab, you’ll be assigned to a private bedroom in the sleep center or hospital.

you’ll have a private bathroom; just let the technicians know when you need to use it so they can take off the wires connecting you to the monitoring equipment. during a sleep study, surface electrodes will be put on your face and scalp and will send recorded electrical signals to the measuring equipment. a bandage-like oximeter probe on your finger measures the oxygen in your blood. they’ll send the results to your doctor.

tests to detect sleep apnea include: nocturnal polysomnography. during this test, you’re hooked up to equipment that monitors your heart, lung blood tests: there is no blood test for osa. some tests, like thyroid hormone level tests, may allow a healthcare practitioner to determine whether an if you have symptoms of sleep apnea, your doctor may ask you to have a sleep apnea test, called a polysomnogram (psg). this may be done in a, .

tests to detect obstructive sleep apnea include: polysomnography. during this sleep study, you’re hooked up to equipment that monitors your heart, lung and brain activity, breathing patterns, arm and leg movements, and blood oxygen levels while you sleep. at-home sleep apnea testing is an easy, cost-effective way to figure out whether you’re having trouble breathing. a home sleep apnea test is a very simplified breathing monitor that tracks your breathing, oxygen levels, and breathing effort while worn. at-home sleep apnea tests are designed to make testing more accessible and help ensure people get the treatment they need. at-home sleep apnea obstructive sleep apnea (osa) is a fairly common condition that, if left untreated, can lead to complications such as high blood pressure and heart disease. in select patients with osa, home sleep apnea testing (hsat; also referred to as out-of-center sleep testing or portable monitoring) can be, .

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