Polysomnography (PSG) (SLEEP LAB)
A Polysomnography (PSG) also called a sleep study is a test used to diagnosis sleep disorder. It also monitors and evaluates your sleep characteristics and physical state during
sleep. You will spend the night in a private bedroom at the sleep lab. Small electrodes or sensors will be painlessly attached to different parts of your body to monitor brain waves, heart function, and breathing and muscle activity. You will be videotaped to correlate body position and movement with physiologic data. You have to be complete a performa related to sleep details before and after the study by the Sleep Technologist.
Continuous Positive Airway Pressure (CPAP)
A CPAP is a treatment that uses mild air pressure to keep your breathing airways open. A CPAP is used to treat sleep related breathing disorders including sleep apnea.
Multiple Sleep Latency Test (MSLT)
A MSLT is designed to evaluate the degree of sleeping in patients with sleep disorder.Small electrodes or sensors will be painlessly attached to different parts of your body to monitor brainwaves, heart function and muscle activity. During the test, you will be given 4 or 5 “nap” periods at 2 hour intervals. At the start of each period, the technologist will check the sensors and then instruct you to try to go to sleep.
Maintanence Wakefulness Test (MWT)
The MWT is used to measure how alert you are during the day. Electrode placement for MWT will be same as MSLT. The test consists of sleep trials timed at 2 hour interval.
Patient Instruction For Sleep Study
Feel free to ask the Sleep Technologist about any technically related concerns or procedures at any time. Questions related to your medical condition or the result of the study will be answered by your Physician, who will receive results of the testing approximately 2-6 days after the test date.
Getting Ready For Your Test
- Please wash your hair the day of the test to avoid oily scalp. Do not use hair sprays,cream rinses or conditioners. Make sure that there is no oil content in your scalp and whole body.
- Take your regular medication instructed by your Physician.
- Try to get a normal night sleep before your sleep study and do not take naps during the day of sleep study.
- Donot drink any alcoholic beverges and donot smoke 24 hours prior to your test time.
- Avoid caffeine, soft drinks 8 hours prior to your test time.
- You may bring a bottle of water and bed sheet (for the bystander). A private bedroom and shower are available for your convenience. The sleep study should conclude about6 am the next morning.
- You can wear the dress comfortable for you; preferably the one you use at home regularly.
- A female bystander should accompany you for the test.
- Eat your meal before arriving.
- Cellular phones, beepers and alarms must be turned off during the test.
- It is very important to reduce the intake of fluid (mainly water)after 6 PM on the day of the test. Because during the test you can’t use rest room, only option avail is urinal provided by the Sleep Lab.
- Avoid long drives on the day of test.
- On the day of taking appointment for Sleep study ,you must pay an advance of Rs 2000/- and the amount must be debited from the actual amount when you pay the bill for the study. In case if you cancel the appointment Rs 1000/- must be refunded.
- Remind to bring the request form from the Physician prescrib ing Sleep study, Hospital Card and the documents regarding your treatment.
- You need to reach the lab on the scheduled date at 8.30 PM.