Definition. Aortic valve regurgitation â or aortic regurgitation â is a condition that occurs when your heart's aortic valve doesn't close tightly. Aortic valve regurgitation allows some of the blood that was just pumped out of your heart's main pumping chamber (left ventricle) to leak back into it.efinition. Aortic valve regurgitation â or aortic regurgitation â is a condition that occurs when your heart's aortic valve doesn't close tightly. Aortic valve regurgitation allows some of the blood that was just pumped out of your heart's main pumping chamber (left ventricle) to leak back into it.
Prosper, Texas. Prosper is an affluent suburban town located in Collin and Denton counties within the state of Texas, United States. The town is located within the Dallas-Fort Worth metropolitan area. As of the 2010 census, the population was 9,423; As of 2017, the estimated population was 21,685.
Frio County is a county located in the U.S. state of Texas. As of the 2010 census, its population was 17,217. The county seat is Pearsall. The county was created in 1858 and later organized in 1871. Frio is named for the Frio River, whose name is Spanish for cold.