A Riverside Heart and Vascular Center answered. Aortic regurgitation (AR) is also known as aortic insufficiency (AI). It is a condition in which the aortic valve in the heart does not close completely. Because the valve never closes completely, blood leaks backward from the aorta into the left ventricle. Riverside Heart and Vascular Center answered. Aortic regurgitation (AR) is also known as aortic insufficiency (AI). It is a condition in which the aortic valve in the heart does not close completely. Because the valve never closes completely, blood leaks backward from the aorta into the left ventricle.
Cheney, Spokane County, Washington. Home. Cheney, (pronounced che'-ne) is a city in Spokane County, Washington, United States. Eastern Washington University is located in Cheney, and its population grows to approximately 17,600 people on a temporary basis when classes at Eastern Washington University are in session. Named for Boston railroad tycoon Benjamin Pierce Cheney, Cheney was officially incorporated on November 28, 1883.
Jefferson County is a county located in the U.S. state of Idaho. As of the 2010 census, the population was 26,140. The county seat and largest city is Rigby. The county was established in 1913 and named after Thomas Jefferson, the third U.S. President. Jefferson County is part of the Idaho Falls, ID Metropolitan Statistical Area.