てんかん発作波と間違いやすい脳波. Small Sharp Spikes (SSS) 14 & 6 Hz Positive...
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Transcript of てんかん発作波と間違いやすい脳波. Small Sharp Spikes (SSS) 14 & 6 Hz Positive...
てんかん発作波と間違いやすい脳波
3Hzûôèôîgåãçá
ûôîg âsèôîgåãçá ÉVÅ[É^åQî≠
âsîg ëΩûôèôîgåãçá ÉfÉãÉ^åQî≠
ïsãKë•ûôèôîgåãçá 1 sec
50 μV
óùëzÇÃǃÇÒÇ©ÇÒî≠çÏ îg
A
B C D
E F
G H
1 sec
50 μVS
B
M
P
Q
+
1 sec
50 μV
3- 1C A
4- 2C A
7- 1F A
8- 2F A
3- 1T A
4- 2T A
5- 1T A
6- 2T A
1- 3Fp F
2- 8Fp F
7- 3F T
8- 4F T
3- 5T T
4- 6T T
5- 1T O
6- 2T O 1 sec50 μV
A B
Small Sharp Spikes (SSS)
P3-A1
P4-A2
O1-A1
O2-A2
T5-A1
T6-A2
1 sec
50 μV
A B
14 & 6 Hz Positive Spikes
1 sec
50 μV
1- 3Fp F
2- 4Fp F
3- 3F C
4- 4F C
3- 3C P
4- 4C P
3- 1P O
4- 2P O
6 Hz Spike and Wave (Phantom spike)
1 sec
50 μV
1- 7Fp F
2- 8Fp F
7- 3F T
8- 4F T
3- 5T T
4- 6T T
5- 1T O
6- 2T O
Rhythmic Mid-temporal Discharges(Psychomotor variant)
Breach Rhythm
1 sec
100 μV
1- 3Fp F
2- 4Fp F
3- 3F C
4- 4F C
3- 3C P
4- 4C P
3- 1P O
4- 2P O
A B
Wicket Spikes
Fp1-F7
Fp2-F8
F7-T3
F8-T4
T3-T5
T4-T6
T5-O1
T6-O2
1 sec
50 μV
1- 1Fp T
2- 2Fp T
1- 3T T
2- 4T T
3- 5T T
4- 6T T
5- 1T O
6- 2T O
T3-Fp1
C3-P3
P3-O1
1 sec50 μV
4- 2T Fp
1- 3Fp F
2- 4Fp F
4- 4C P
4- 2P O
äJén
(òAë±ãLò^)
Subclinical Rhythmic Electrographic (theta) Discharges of Adults (SREDA)
1 sec
50 μV
5- 1T A
6- 2T A
1- 1O A
3- 1C O
1- 3Fp C
4- 2C O
2- 2O A
2- 4Fp C
äGÇ å©ÇÈ ï¬ä·
ラムダ波 12 歳 , 女
1 sec
50 μV
1- 1Fp A
2- 2Fp A
3- 1C A
4- 2C A
5- 1T A
6- 2T A
1- 1O A
2- 2O A
Hypnagogic Hypersynchrony14 歳 , 女
1 sec50 μV
1- 1Fp A
2- 2Fp A
3- 1C A
4- 2C A
3- 1T A
4- 2T A
1- 1O A
2- 2O A
Vertex Sharp Transients11 歳 , 男
1 sec
50 μV
1- 3Fp C
2- 4Fp C
3- 1C O
4- 2C O
3- 1T Fp
4- 2T Fp
3- 3C T
4- 4C T
Positive Occipital Sharp Transients of Sleep, POSTS17 歳 , 女
C3-P3P3-O1
1 sec
200 μV
1- 3Fp F
2- 4Fp F
4- 4C P4- 2P O
3- 3F C
4- 4F C
1- 7Fp F7- 3F T3- 5T T5- 1T O
2- 8Fp F8- 4F T4- 6T T6- 2T O
-Fz Cz-Cz Pz
5 歳 , 男
Benign Epilepsy of Childhood with Centrotemporal Spikes, BECTS
Ictal pattern: Rt central→Rt temporal
Ictal pattern: TLE
Ictal pattern: Generalized tonic seizure
1 sec
Fp1-F3
Fp2-F8
F7-T3
F8-T4
T3-T5
T4-T6
T5-O1
î≠çÏå„ÇÃÉfÉãÉ^îgèoåªî≠çÏéû
70 μV
1- 3Fp F
2- 4Fp F
3- 3F C
4- 4F C
3- 3C P
4- 4C P
3- 1P O
6- 1T O
4- 2P O
≠ „ ] }î çÏå ÇÃî îgó êß≠ ‘ ˙î çÏä åáä
1 sec
100 μV
A
B
Postictal EEG
まとめ
スパイク波形の特徴を覚えよう 発作後の脳波変化は重要Pseudoepileptiform activity に気をつけよう SSS,14 & 6 Hz positive spikes,Phantom spike RMTD,Breach rhythm,Wicket spikes,SREDA小児脳波は要注意 !! Lamda 波 ,POSTS,Vertex sharp transients Hypnagogic hypersynchrony,BECTS
