II M Normal Abnormal EEG Flashcards

1
Q

EEG shows 4 stages of sleep

A

a full-term child at 6 months

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2
Q

Synchronous sleep spindles

A

by age 2 years

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3
Q

Asynchrony of sleep is abnormal

A

after 2 years

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4
Q

OIRDA

A

encephalopathic EEG pattern in pediatrics

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5
Q

Normal hyperventilation response

A

high voltage delta

maximal in posterior

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6
Q

Pediatric EEG

A

HIGHER AMPLITUDE than adult

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7
Q

Pediatric Vertex waves

A

sharper than adult

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8
Q

PDR reactive to Eo/Ec

A

3-6 months

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9
Q

Posterior slow waqves of Youth (PSWY)

A

high voltage delta/theta
children 8-14
HV response

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10
Q

interictal EEG with a febrile seizure

A

NoRmAl

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11
Q

PDR at age 1

A

5 Hz

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12
Q

PDR at 5-6 months (awake)

A

5-6 Hz

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13
Q

a difference in background frequency is

A

abnormal

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14
Q

6% of adults have

A

Asymmetrical alpha

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15
Q

No alpha background?

A

Abnormal

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16
Q

REM sleep <20% of total sleep time

A

adults over 70 years

17
Q

ADA

A

arrhythmic delta activity

18
Q

Record adults in maximal state awareness

A

to distinguish from slowing/drowsiness

19
Q

Alpha diminishes with

A

eyes open

20
Q

EEG with tense patient

A

widespread low voltage (Beta)

21
Q

an abnormal EEG in a 55 y/o:

A

delta activity

22
Q

a normal awake adult will not have

A

delta

23
Q

a normal awake adult

A

low voltage fast activity

eye movement artifact

24
Q

Bancaud phenomenon

A

the background doesn’t attenuate with eye-opening

25
Q

Wickets

A

not seen in:
temporals
posterior

26
Q

rolandic spikes

A

seen most often in children

27
Q

electrodecremental events

A

infantile spasms