Sleep Study Process

Overnight Sleep Study This study allows you to measure how well your patient sleeps and how much, and assess breathing and other physiological functions such as EKG. It’s also referred to as an all-night polysomnogram. If your patient is having seizures, extended EEG monitoring using a more extensive group of electrodes on their scalp along with video monitoring can help to differentiate these two similar disorders. However, you need to meet certain criteria during the diagnostic portion of the patient’s in-lab sleep study in order to start CPAP therapy on the same night. Maintenance of Wakefulness Testing MWT During this test, you’ll have the patient stay awake and sit in bed for four, minute sessions every two hours over the day. This study is sometimes done on workers in the transportation industry to evaluate if the patient can fly or drive safely.

UCLA Sleep Disorders Center

Patient Stories News and Articles Educate yourself, gain insights and stay informed about industry news and innovations related to living with a sleep disorder. To see a detailed view of any of the photos shown below, simply click on the photo. Throughout the tour, we will discuss the many components of a PSG and explain the 4 types of Polysomnographic Studies. If Sleep Apnea is discovered, the patient returns for a second night to determine the necessary CPAP pressure required to alleviate apnea.

For example, alcohol or caffeine can interfere with your sleep and should be avoided.

Full Polysomnogram (PSG): This is the standard sleep study that is ordered to diagnose a wide variety of sleep problems, including obstructive sleep apnea (OSA) and other sleep-related breathing disorders. Electrodes, elastic belts, nasal devices, and a finger clip are used to .

The point at the outside of either eye in which the eyelids meet. K -Complex A distinct EEG waveform characterized by a sharp negative deflection followed by a slower postititive component. Additional marks made in the back of the head are similar to the marks made for F7 and F8. In the back of the head, these are the locations for T5 and T6. This gives the first mark for P3. This is repeated on the right side for P4. With these additions, the following electrodes sites have been marked.

Locate the 4 Landmarks on the head 1. Left Pre-Auricular Point 4. Right Pre- Auricular Point Nasion bridge of the nose, or the ridge or upper line of the nose. Inion is the most prominent point of the occipital bone at the back of the skull. Pre-auricular points found by locating the notch in the middle of the front part of the ear.

Directly in front of this notch is the pre-auricular point.

How useful are sleep studies and how do they work : sleep

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In-lab overnight sleep study: This sleep study requires you to stay overnight at a sleep center. You will sleep with sensors hooked up to various parts of your body to record your brain waves, heartbeat, breathing and movement.

View All So your doctor recommends you undergo overnight sleep study testing to assess snoring or daytime sleepiness for a sleep disorder like sleep apnea, but what should you expect? Polysomnograms are typically done in specialized sleep testing centers. Though you may have some anxiety about the experience, take a few moments, read on and lay those fears to rest. Discover the purpose of sleep testing, how to prepare before the visit, what to expect when you arrive, what happens if you can’t sleep, and how soon you will receive the interpretation of the results.

What Is the Purpose of Sleep Testing? They generally involve spending the night sleeping at a sleep laboratory or sleep center. Typically, these studies will be ordered after you have seen a healthcare provider at a clinic visit and have discussed your sleep problems. These tests are the best means in understanding how you sleep.

Before Your Sleep Study Visit Prior to arriving for your sleep study, there are some important preparations that should be made.


Contact Us Shortly after you arrive at our sleep center, you will be shown to one of our private bedrooms. This means the technicians will fasten the recording equipment called electrodes to your head, legs, chin, and next to the outside of your eyes near the temples using special adhesive paste or tape. Please be sure to let the technician know if you have any skin or environmental allergies.

There are approximately 15 electrodes to be applied. You may feel strange with electrodes long wires attached to you body; however, the process is painless. The electrodes simply record the brain activity and muscle movement; they do not produce any electrical current of their own.

The sleep technicians and technologists work with each patient to explain the procedures used in a sleep study, to answer questions, and to hook patients up to the tiny wire leads that measure brain waves, heart rate, and various other activities throughout the study.

Bring a small bag with your pajamas, toothbrush and any other items you may need the next morning. Also bring any medications that you may need. Many patients like to bring their own pillow to help them sleep better. We want you to be as comfortable as possible during your sleep test. When you arrive, you will be escorted to your private bedroom with amenities such as DVD players and cable TV for entertainment.

At the front desk, you are likely to see the central monitoring area, where the technicians monitor our four sleep rooms. We do this by means of video, computers, and printouts of your recorded activity. The technicians will be able to react quickly if you need help or have a question while in your room. Throughout the entire process, your technician is paying close attention to the activity of his or her sleeping patients.

Now, you have arrived at your private bedroom. It may look like a hospital room, a hotel room, or your bedroom at home. Your technician will ask you to slip into your pajamas before the process of hooking up the surface electrodes leads begins.

Pediatric Overnight Prep

Treatments What to Expect from Your Child’s Sleep Study We utilize the same tests used to diagnose and rule out sleep disorders in adults for children. However, because children are more likely to displace sensors during the night, we prefer to use attended studies rather than home monitoring. We recommend that a parent accompanies a child who spends the night at the Sleep Clinic. The parent sleeps in the same room to make the child more comfortable.

What should parents or caregivers expect when having their child’s sleep studied? A technologist will greet you and your child at approximately 7 p.

Reasons For A Sleep Study. My doctor (a general physician) has wanted me to have a sleep test for about a year. I have not been feeling well-rested after a full night’s sleep for about that long.. After discussing other possible culprits (caffeine intake, medicines, exercise, sleep habits, relaxation before sleep, etc), she recommended the sleep study.

If you have just scheduled or are planning to schedule your first sleep study, you may wonder how long the entire procedure will take. At Advanced Sleep Medicine Services, we use the term PSG to denote a sleep study that is diagnostic only does not include the use of CPAP and is performed in the sleep center read more about the different types of sleep studies here. A titration study is a type of polysomnography that is performed when a patient has been previously diagnosed with sleep apnea either with an in-center or in-home sleep study and is used to determine the optimal CPAP settings which eliminate all or most apnea events.

This test is often ordered when sleep apnea is highly likely and can eliminate the need for a second night sleep study if the titration is successfully completed. Start and end times for most overnight sleep studies Most sleep studies start in the evening. Most of our appointments start between 9pm and There may be multiple patients scheduled per each technician at the sleep center.

Depending on the number of patients and the start time of the appointment, most PSGs will end at about 5: For a comprehensive explanation of the different types of sleep studies, the sleep disorders they are used to diagnose or rule out, and their CPT codes, check out our sleep study guide here. To learn more about MSLTs and narcolepsy, check out our resources here.

Sleep Apnea Testing and Diagnosis

Tweet Based on your doctor’s recommendations, your employer’s insurance requirements, or even your own online research, you’ve scheduled to have a sleep study performed to help you better understand why your sleep habits are negatively impacting your life. Whether your symptoms include chronic snoring , pauses or gasps during sleep , excessive daytime sleepiness , falling asleep at inappropriate times, trouble falling asleep at all, or a number of other sleep related disorders or medical conditions, having a sleep study performed can help you get to the bottom of your ailment, and start getting the treatment you need to better your life.

At The Alaska Sleep Clinic we help thousands of Alaskans every year with their sleep troubles, often through having them come in for an in-lab sleep study.

The hook-up is not painful and is designed to be as comfortable as possible. Many people ask us how they will be able to sleep while connected to these electrodes and belts. Most people find that once they lie down in bed they do not notice the wires and can sleep in a variety of positions comfortably.

But persistent questions about their reliability, and the consequent refusal of most insurers to pay for them, have kept them out of the mainstream of practice. In March, the Centers for Medicare and Medicaid Services, whose reimbursement rules are generally adopted by private insurers, dropped its long-standing opposition to home studies. According to the National Coverage Determination that was released that month, a diagnosis of obstructive sleep apnea can be made—and CPAP therapy covered—on the basis of a clinical evaluation coupled with a home study using a device that measures, at a minimum, airflow, heart rate, and oxygen saturation.

A positive diagnosis is established if: The apnea-hypopnea index as measured by the portable device is 15 or more 15 apneas or hypopneas an hour or the AHI is between 5 and 14 and the patient has documented symptoms of excessive daytime sleepiness, impaired cognition, mood disorders, hypertension, ischemic heart disease, or history of stroke. The NCD specifies that the home study must be ordered and supervised by the treating physician.

It also limits the initial coverage of CPAP to a week trial period. Previous to its decision, the CMS had considered and rejected home studies on four occasions.

Tampa Bay Sleep Center

How is Sleep Apnea diagnosed? An overnight sleep study is usually suggested when a diagnosis of obstructive sleep apnea is suspected. The sleep test is typically conducted in a specialized sleep lab by a sleep doctor and a respiratory therapist. The following paragraph describes common signs and symptoms of sleep apnea.

Compare the results of each follow-up sleep study using the feature-rich home sleep testing management software, EasyHST. Monitor key data such as AHI, blood oxigenation and snoring volume over time to confirm treatment success.

Does your partner complain that you snore regularly? Have you recently gained weight or stopped exercising? Do you have family members that snore? If you answered yes to any of these questions you either snore or are at risk for snoring. You may want to see a sleep medicine physician if you snore regularly or loudly. If you also make choking or gasping sounds as you snore, you will need to be tested for obstructive sleep apnea.

Me hooked up for sleep study