Handbook of EEG interpretation - part 2 pdf

... interfere with EEG and produce an artifact typically in all the channels during recording. Normal EEG 27 FIGURE 1.33. Photic driving at 20 Hz seen in the P3-O1, P4-O2, T5-O1, and T6-O2 derivations. I ntermittent ... distribution, waveform fre- quency, polarity, and morphology.The state of wakefulness and age are critical fea- tures for accurate interpretation of the normal EEG....

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... 24 6 24 7 electroencephalography (EEG) and, 22 3, 25 6 25 9 electromyography (EMG) and, 22 3, 25 1 25 5 motor evoked potentials (MEPs) in, 22 3, 24 6 25 0 somatosensory evoked potentials (SEPs) in, 22 3, 23 5 24 5 Non rapid ... 2 3 electrical signals of, 1, 2 Brain death, 141 Brainstem, 2 Brainstem auditory evoked poten- tials (BAEPs), NIOM, 22 3, 22 4 23 4 Index 26 2 compo...

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... absolute electrographic sites of maximal nega- tivity (or positivity) by phase reversals (Figure 1.3A). Normal EEG 7 Fp1-F7 F7-T3 T3-T5 T5-O1 Fp1-Ref F7-Ref T3-Ref T5-Ref O1-Ref AB FIGURE 1.7. Eye ... bibliographical references and index. ISBN-13: 97 8-1 -9 3386 4-1 1 -2 (pbk. : alk. paper) ISBN-10: 1-9 3386 4-1 1-7 (pbk. : alk. paper) 1. Electroencephalography—Handbooks, man...

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... state. CHAPTER 2 66 FIGURE 2. 7. Continuous irregular 1. 5- to 3.0-Hz delta in a 66-year-old man with encephalopathy that was unresponsive. The above example of EEG is rep- resentative of the entire ... 2 56 FIGURE 2. 8. Low-voltage recording in a patient involved in a motor vehicle accident. The recording was obtained at a sensitivity of 2 µV/mm with no volt- age of >...

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... and often demonstrates fast spike-and-slow wave com- plexes with frequencies of 3.5 to 5.0 Hz on the interictal EEG that may slow to 2. 25 to 2. 5 Hz during longer bursts. However, “typical” 3-Hz ... burst of generalized 3.5-Hz spike-and-slow waves in JME. S pike-and-slow-wave complexes that have a repetition rate of >3 Hz are referred to as fast GSW. JME is the most common idio...

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... Williams, 20 06: 429 –440. Foldvary N, Klem G, Hammel J, et al. The localizing value of ictal EEG in focal epilepsy. Neurology 20 01;57 :20 22 20 28. Pacia SV, Ebersole JS. Intracranial EEG substsrates of ... approach to electrophys- iology. J Clin Neurophysiol 20 01;18(5):4 42 455. Verma A, Radtke R. EEG of partial seizures. J Clin Neurophysiol 20 06 ;23 : 333–339. Westmorela...

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... Press, Totowa, NJ, 20 05 :24 5 26 2. Kaplan PW. Non-convulsive status epilepticus. Semin Neurol 1996;16:33–40. Kaplan PW. The EEG of status epilepticus. J Clin Neurophysiol. 20 06 ;23 : 22 1 22 9. Kaplan PW, ... no significant change occurs in the C3-A2 channel. Consequently, contemporary PSG always include at least two EEG channels: C3-A2 or C4-A1 and O1-A2 or O2-A1. Many laboratory...

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... a 30-sec epoch showing the start of stage REM and saw tooth waves. S aw tooth waves (arrows) are 2- to 5-Hz vertex negative sharp waves that often occur in a series. They can be precursors of ... scored when the EEG has high-amplitude slow waves occupying at least 20 % but no more than 50% of the epoch. Slow waves are 2 Hz or slower and must have a peak to peak amplitude of at...

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... figure above, bursts of 3- and 4-Hz dis- charges ( arrows) were noted frequently during the PSG, particularly in light stages of sleep. Polysomnography 20 5 FIGURE 6.43. This is a 60-sec epoch demonstrating ... In addi- tion to the loss of alpha rhythm, there is appearance of slow, rolling eye movements, mixed-frequency activity in the 2- to 7-Hz range, and finally vertex waves....

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... The Report of an American Academy of Sleep Medicine Task Force. Sleep 199 ;22 (5):667–689. Arand D, Bonnet M, Hurwitz T, et al. The clinical use of the MSLT and MWT. Sleep 22 005;8(1): 123 –144. ASDA. EEG ... patients complaining of chronic pain. J Nerv Ment Dis 19 82; 170(7): 429 –431. CHAPTER 6 22 2 ADDITIONAL RESOURCES AASM. Sleep-related breathing disorders in adults: recommen...

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