Nephrology certified in nephrology is called a "nephrologist". The term "nephrology" was first used in about 1960. Before then, the specialty was usually referred to as "kidney medicine." Nephrology concerns the diagnosis and treatment of kidney diseases, including electrolyte disturbances and hypertension, and the care of those requiring renal replacement therapy, including dialysis and renal transplant patients. Many diseases affecting the kidney are systemic disorders not limited to the organ itself, and may require special treatment. Examples include acquired conditions such as systemic vasculitides (e.g. ANCA vasculitis) and autoimmune diseases (e.g., lupus), as well as congenital or genetic conditions such as
Johnson Organs Johnson Organs The William A. Johnson Organ Company of Westfield, Massachusetts, which later became Johnson & Son Organ Company, was a highly respected firm that built 860 pipe organs throughout the United States and in Canada and Bermuda. The company operated from 1844 through 1898. All Johnson organs were completely mechanical (tracker action) organs, with Barker lever tracker-pneumatic actions utilized in larger organs after 1871. In 1843, William Allen Johnson operated a contracting business in Westfield, Massachusetts. While he was completing the construction of a new church building for his own Westfield church, an organ builder of the firm E.