II L normal variants Flashcards

1
Q

SREDA

A

uncommon normal variant
Adults 50+
mistaken for epileptiform

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2
Q

Mittens
Medline rhythmic theta
Trace Alternant

A

all normal waveforms

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3
Q

Bancaud phenomenon

A

the background does not attenuate with eye-opening

unilateral blocking

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4
Q

Breech rhythm

A

focal LOW impedance

pathway THRU skull

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5
Q

Bancauds Phenomenon
Alpha squeak
Paradoxical alpha (alpha rhythm on eye-opening/drowsy)

A

Normal reactions of the background

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6
Q

Mu

A

seen at C3 C4

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7
Q

Lambda

A

eye movement
scanning
occipital
seen during a prolonged recording

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8
Q

Wickets

A

temporal
6-11 Hz
Adults 30+
negative sharp arciform

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9
Q

alpha squeak

A

Variant where the PDR may appear higher in Frequency and Amplitudede

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