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Doctor insights on: How Accurate Are Polysomnography Exams

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How accurate are polysomnography exams?

How accurate are polysomnography exams?

Not perfect: There are no medical tests that are perfect. That means that the are sensitive enough to diagnose everyone with the condition for which the test is being done and they are specific enough to rule out a diagnosis if the test is negative. Having said that there are different types of sleep studies and they are quite good tests and greater than 90% sensitive. ...Read more

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Polysomnography (Definition)

Polysomnography is a sleep study. A sleep study monitors you as you sleep, or try to sleep. One of the popular disorders it assesses ...Read more


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Are all polysomnography testings overnight?

Are all polysomnography testings overnight?

Not necessarily : Typically psgs are overnight as most people sleep at night. However most sleep centers will perform daytime psgs to accommodate shift workers. Multiple sleep latency tests are somewhat similar to psgs and are usually done during th daytime to evaluate possible narcolepsy and idiopathic hypersomnia. Maintenance of wakefulness tests are done during the day as well. ...Read more

Dr. Jeffrey Ng Dr. Ng
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What is the definition or description of: polysomnography?

Dr. Jeffrey Ng Dr. Ng
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What is the definition or description of: polysomnography?

Sleep Study: Polysomnography is a sleep study. A sleep study monitors you as you sleep, or try to sleep. One of the popular disorders it assesses for is sleep apnea. ...Read more

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What is the age limit for having a polysomnography?

What is the age limit for having a polysomnography?

No age limit: There is no age limit for a sleep study that i've ever heard of. Anyone with excessive daytime sleepiness or with witnessed cessation of breathing while sleeping should have a sleep study. If abnormal, they would likely benefit from good sleeping habits, loss of weight if overweight and cpap. ...Read more

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I had polysomnography. Please explain: increased spindle densities seen throughout record.(I don't take benzodiazepines). ?

I had polysomnography.  Please explain: increased spindle densities seen throughout record.(I don't take benzodiazepines). ?

Sleep spindles: Increased sleep spindles may be associated with effective stage 2 sleep, if there is no medication caused that so increased sleep spindles may be associated with good memory. ...Read more

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Had polysomnography. Please explain: increase in phasic motor activity w/o stereotypical behaviors seen during REM sleep. ?

Had polysomnography.  Please explain: increase in phasic motor activity w/o stereotypical behaviors seen during REM sleep.  ?

Jump around: in sleep. This needs to be interpreted in the context of all the other brain findings of the sleep study. by itself it isn't all that important and doesn't indicate much except a potential problem for interrupted sleep. especially for the person next to you. ...Read more

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Is being a respiratory therapist necessary to become a polysmnography technician?

Is being a respiratory therapist necessary to become a polysmnography technician?

No: In most states, all you need to do is hands on training in a lab; do some online courses and take the brpt tests for cpsgt or rpsgt. Bingo... ...Read more

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Took a oraquick home oral swab exam 3 months after sex and it was negative. Took another one a month later and it was also negative. Is it accurate?

HIV oraquick: A positive oraquick HIV test doesn't mean that an individual is infected with hiv, additional testing should be done in a medical setting to confirm. A negative test result doesn't mean that a person is not infected with hiv, particularly when exposure may have been within the previous three months. If negative at 6 months it is unlikely you have hiv. If concerned see your doctor to reconfirm. Tx. ...Read more

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