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Diagnostic Tests for Narcolepsy

Narcolepsy: Diagnostic Tests

The list of diagnostic tests mentioned in various sources as used in the diagnosis of Narcolepsy includes:

Home Diagnostic Testing

These home medical tests may be relevant to Narcolepsy:

Tests and diagnosis discussion for Narcolepsy:

Diagnosis is relatively easy when all the symptoms of narcolepsy are present. But if the sleep attacks are isolated and cataplexy is mild or absent, diagnosis is more difficult.

Two tests that are commonly used in diagnosing narcolepsy are the polysomnogram and the multiple sleep latency test. These tests are usually performed by a sleep specialist. The polysomnogram involves continuous recording of sleep brain waves and a number of nerve and muscle functions during nighttime sleep. When tested, people with narcolepsy fall asleep rapidly, enter REM sleep early, and may awaken often during the night. The polysomnogram also helps to detect other possible sleep disorders that could cause daytime sleepiness.

For the multiple sleep latency test, a person is given a chance to sleep every 2 hours during normal wake times. Observations are made of the time taken to reach various stages of sleep. This test measures the degree of daytime sleepiness and also detects how soon REM sleep begins. Again, people with narcolepsy fall asleep rapidly and enter REM sleep early. (Source: excerpt from Narcolepsy: NWHIC)

Diagnosis of Narcolepsy: medical news summaries:

The following medical news items are relevant to diagnosis of Narcolepsy:

 

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