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Ann Clin Neurophysiol > Volume 21(2); 2019 > Article
Ann Clin Neurophysiol. 2019; 21(2): 71-78.
Published online July 31, 2019.
doi: https://doi.org/10.14253/acn.2019.21.2.71
Transcranial Doppler: examination techniques and interpretation
Youngrok Do1  , Yong-Jae Kim2  , and Jun Hong Lee3 
1Department of Neurology, Catholic University of Daegu School of Medicine, Daegu, Korea
2Department of Neurology, College of Medicine, The Catholic University of Korea, Seoul, Korea
3Department of Neurology, National Health Insurance Service Ilsan Hospital, Ilsan, Korea
Corresponding Author: Youngrok Do ,Tel: +82-53-650-3064, Fax: +82-53-654-9786, Email: dyr4173@cu.ac.kr
Received May 22, 2019   Revised: July 5, 2019    Accepted July 10, 2019
Transcranial Doppler (TCD) was introduced in 1982 to assess intracranial arteries noninvasively, since when it has been widely used to assess and monitor cerebrovascular hemodynamics. The clinical applications of TCD are broadening to include other fields that require monitoring of the cerebral blood flow. TCD has fewer temporal and spatial restrictions than other methods, can be performed on less-compliant patients, and causes no harm to the body. However, its reliance on high levels of examiner skill and experience, as well as a lack of standardized scanning protocols are obstacles that still need to be overcome. In this report we review TCD examination techniques and interpret their findings for several conditions.
Key words: Transcranial Doppler; Standard examination; Interpretation
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