Narcolepsy Flashcards

1
Q

Where is Narcolepsy Common and Rare?

A

Very rare in Israel, Common in Japan

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2
Q

Prevalence of Narcolepsy

A

One in two thousand

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3
Q

Sex differences in Narcolepsy

A

There is none: males and females are affected equally

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4
Q

How common are sleep hallucinations in the general population?

A

About 4% of population

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5
Q

Shat can trigger status cataplecticus - and what drug can trigger status cataplecticus

A

Cessation of SSRI, SNRI, TCA’s (everything that can increase serotonin, decreasing cataplexy) - Prazocin can trigger status.

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6
Q

What is the effect of Oxybates with Narcolepsy

A

Treatment of cataplexy, sleep fragmentation, and EDS with narcolepsy

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7
Q

Association between periodic limb movements of sleep and Narcolepsy

A

Periodic limb movements of sleep are associated with an increased incidence of narcolepsy

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8
Q

How many people have two or more SOREMS without narcolepsy

A

30% of people have two or more SOREMS on MSLT

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9
Q

How is obesity associated with Narcolepsy

A

Obesity rate is increased in narcolepsy

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10
Q

Drugs for narcolepsy with sleepiness and cataplexy

A

Oxybates and Pitolisant

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11
Q

Treatment of just cataplexy

A

SSRI, SNRI (especially Venlafaxine)

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12
Q

Treatment of narcolepsy in pregnancy

A

Discontinue all medications as possible: Modafinil is contraindicated.

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13
Q

What is measured during MSLT

A

The four E’s - EEG, EOG, EMG, and EKG

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14
Q

Change in SOREMS and sleep latency with age

A

Sleep latency increases while SOREMS decrease with age.

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15
Q

Sleep attacks in narcolepsy vs idiopathic hypersomnia

A

Sleep attacks only in narcolepsy

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16
Q

Sleep drunkenness in narcolepsy vs idiopathic hypersomnia

A

Sleep drunkenness only in idioparhic hypersomnia

17
Q

Only treatment approved for idiopathic hyeprsomnia

A

Xywav (Flumazenil and Clarithromycin are less often used.

18
Q

Two classes of drugs associated with sleep hallucinations

A

Serotonergic and anticholinergic antidepressants

19
Q

When is MWT indicated

A

To determine whether treatment for hypersomnia is helpful

20
Q

Treatment for REM sleep dysregulation (i.e., sleep paralysis and hallucinations)

A

SSRI’s and SNRI will work for REM sleep dysregulation (but stimulants will not work)

21
Q

What is the most frequent psychiatric diagnosis associated disorder with narcolepsy

A

Anxiety

22
Q

Status Cataplecticus associated with what drug

A

Prazosin

23
Q

Status Cataplecticus associated with withdrawal of what medication classes?

A

TCA, SSRI, SRNI

24
Q

Medicines that work through GABA-B receptor

A

GBH medications and Baclofen

25
Q

Mechanism of action of Modafinil

A

Dopamine reuptake inhibitor - increases the amount of Dopamine and therefore awakeness

26
Q

Type of headaches occurring only in REM sleep and their treatment

A

Hypnic headaches and treatment with Lithium