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KMID : 1101420230550030219
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Korean Journal of Clinical Laboratory Science
2023 Volume.55 No. 3 p.219 ~ p.226
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Precautions and Suggestions for Transcranial Doppler Ultrasonography
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Kang Kun-Woo
Lee Eui-Jeong
Lee Hyun-Kyung
Lee Eun-Son
Kevin T. Liou
Han Hyung-Tae
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Abstract
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Transcranial doppler ultrasonography (TCD) applies a low frequency of 2 MHz to measure the blood flow velocity and waveform within the skull. Medical technologists at several hospitals are conducting these examinations, and education is being imparted in many schools and academic societies. However, the skill of the tester is of utmost importance when performing TCD. Technicians who are conducting the procedure for the first time have trouble locating the blood vessels, and some experienced personnel are worried because too many blood vessels are present. Since this procedure does not directly look at and measure blood vessels, there are several limitations and difficulties. Therefore, this study aims to provide some help by introducing precautions and suggestions for TCD technicians conducting the test.
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KEYWORD
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Blood, Doppler, Ultrasound
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