A novel EEG artifact in the intensive care unit

被引：7
|
作者：
Young, B
Osvath, L
Jones, D
Socha, E
机构：
[1] London Hlth Sci Ctr, EEG Lab, London, ON, Canada
[2] XLTEK Corp, Oakville, ON, Canada
来源：
JOURNAL OF CLINICAL NEUROPHYSIOLOGY | 2002年 / 19卷 / 05期
关键词：
EEG; intensive care unit; artifact; hemoperfusion; psychomotor variant;
D O I：
10.1097/00004691-200210000-00011
中图分类号：
R74 [神经病学与精神病学];
学科分类号：
摘要：
The authors describe a novel EEG artifact in two patients whose records were otherwise suppressed. The saw-toothed waveform, containing 5.5- and 11-Hz rhythms, was induced as a movement artifact by a hemoperfusion machine connected to the patient. The artifact is highly characteristic, but could be easily misinterpreted as a cerebral rhythm if one is not aware of the entity. The artifact should be suspected when invariant, saw-toothed rhythms appear beyond the temporal and occipital lobes, and also contaminate the electrocardiographic channel. It can be proved by its disappearance on stopping and reemergence with starting the rotary pump action of the device.
引用
收藏
页码：484 / 486
页数：3
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