Doppler Ultrasound

Ultrasound, Doppler

How To Prepare

You may be asked to avoid products that contain nicotine (cigarettes, chewing tobacco) for 30 minutes to 2 hours before the test. Nicotine causes blood vessels to constrict and may give false results.

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Author:	Jan Nissl, RN, BS	Last Updated: January 17, 2007
Medical Review:	Paul D. Traughber, MD - Radiology Kenneth B. Sutherland, CD, BSc, MD, FRCPC - Diagnostic Radiology
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