As aortic valve stenosis gets worse, you may have symptoms such as: 1  Chest pain or pressure (angina). 2  You may have a heavy, tight feeling in your chest. 3  Feeling dizzy or faint. 4  Feeling tired and being short of breath. 5  A feeling that your heart is pounding, racing, or beating unevenly (palpitations).s aortic valve stenosis gets worse, you may have symptoms such as: 1  Chest pain or pressure (angina). 2  Feeling dizzy or faint. 3  Feeling tired and being short of breath. 4  A feeling that your heart is pounding, racing, or beating unevenly (palpitations).
For the similarly named bird, see Killdeer. For the similarly named city, see Killdeer, North Dakota. Kildeer is an affluent village in Lake County, Illinois, United States. It is a suburb of Chicago. The population was 3,968 at the 2010 census.
Lake County, Illinois. Lake County is a county in the northeastern corner of the U.S. state of Illinois. According to the 2010 census, it has a population of 703,462, making it the third-most populous county in Illinois. Its county seat is Waukegan.