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REVIEW ARTICLE
Year : 2018  |  Volume : 26  |  Issue : 1  |  Page : 3-13

A review of medical doppler ultrasonography of blood flow in general and especially in common carotid artery


1 Department of Medical Physics and Radiation Science, School of Physics, Universiti Sains Malaysia, 11800 Penang, Malaysia
2 Department of Biological Sciences, School of Science, Yarmouk University, Irbid, Jordan
3 Department of Emergency, Faculty of Medicine, JUST University, Irbid, Jordan

Correspondence Address:
Mr. Ammar A Oglat
Department of Medical Physics and Radiation Science, School of Physics, University Science Malaysia, 11800 Penang
Malaysia
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/JMU.JMU_11_17

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Medical Doppler ultrasound is usually utilized in the clinical adjusting to evaluate and estimate blood flow in both the major (large) and the minor (tiny) vessels of the body. The normal and abnormal sign waveforms can be shown by spectral Doppler technique. The sign waveform is individual to each vessel. Thus, it is significant for the operator and the clinicians to understand the normal and abnormal diagnostic in a spectral Doppler show. The aim of this review is to explain the physical principles behind the medical Doppler ultrasound, also, to use some of the mathematical formulas utilized in the medical Doppler ultrasound examination. Furthermore, we discussed the color and spectral flow model of Doppler ultrasound. Finally, we explained spectral Doppler sign waveforms to show both the normal and abnormal signs waveforms that are individual to the common carotid artery, because these signs are important for both the radiologist and sonographer to perceive both the normal and abnormal in a spectral Doppler show.


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