Carotid. Carotid stenosis is a narrowing of the carotid. arteries, the two major arteries that carry oxygen. carotid artery disease, carotid stenosis is caused by. reduces blood flow to the brain.
For other people named Arthur Duncan, see Arthur Duncan (disambiguation). Arthur Duncan (born September 25, 1933 in Pasadena, California) is a tap dancer, known for his stint as a performer on The Lawrence Welk Show from 1964 to 1982, which made him the first African-American regular on a variety television program.
Duncan Keith. Duncan Keith (born July 16, 1983) is a Canadian professional ice hockey defenceman and an alternate captain for the Chicago Blackhawks of the National Hockey League (NHL). Keith is known as a two-way defenceman, capable in both shutdown and offensive roles. He is a three-time Stanley Cup champion with the Blackhawks in 2010, 2013 and 2015.