190 Followers. A. Kidney infection, or pyelonephritis, may be classified as uncomplicated, complicated, or chronic kidney infection (long-term). A complicated kidney infection refers to severe involvement of the kidney, for example, abscess formation, or gas seen in the kidney by an imaging study, such as a CT scan.In these situations, the symptoms may be more severe and less responsive to usual treatments.90 Followers. A. Kidney infection, or pyelonephritis, may be classified as uncomplicated, complicated, or chronic kidney infection (long-term). A complicated kidney infection refers to severe involvement of the kidney, for example, abscess formation, or gas seen in the kidney by an imaging study, such as a CT scan.
Riverside, Washington. Farm and barren hills near Riverside. Riverside is a town in Okanogan County, Washington, United States. The population was 348 at the 2000 census and decreased to 280 at the 2010 census.
Riverside is the 61st most populous city in the United States and 12th most populous city in California. As of the 2010 Census, Riverside had a population of 303,871. The city spans 81 square miles (210 km2).