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The Relevance of EEG Artifact Identification: A Case of Delta-Wave Blinking Due to Tardive Dyskinesia

Vila-Rodriguez, Fidel MD*; Tham, Joseph MD

doi: 10.1097/YCT.0b013e3182621c4a
Images in Clinical ECT

Abstract: The presence of rhythmic electroencephalographic artifacts may at times be confused with actual brain-related activity even before electroconvulsive therapy. Here, we present a case of rapid persistent blinking due to tardive dyskinesia, causing rhythmic deltalike artifacts on the electroencephalographic monitor.

From the *Centre for Complex Disorder, and †Department Of Psychiatry, Neuropsychiatry Program, The University of British Columbia, Vancouver, British Columbia, Canada

Received for publication May 24, 2012; accepted May 30, 2012.

Reprints: Fidel Vila-Rodriguez, MD, ECT Service, Mood Disorders Program. University of British Columbia, Vancouver, BC, Canada (e-mail: fidelvil@interchange.ubc.ca).

The authors have no conflicts of interest or financial disclosures to report.

© 2013 Lippincott Williams & Wilkins, Inc.