123ArticleOnline.com: Dr Syed Haquehttps://www.123articleonline.com/rss/author/319520/dr-syed-haqueArticles written by Dr Syed Haque from 123ArticleOnline.comen-usCopyright (c) 123ArticleOnline.com All rights reserved. Colour Doppler Test https://www.123articleonline.com/articles/1255402/colour-doppler-test Color Doppler is a technique in which colors superimposed on an image of a blood vessel indicate the speed and direction of blood flow in the vessel.