Nephrology polycystic kidney disease. Patients are referred to nephrology specialists after a urinalysis, for various reasons, such as acute kidney failure, chronic kidney disease, hematuria, proteinuria, kidney stones, hypertension, and disorders of acid/base or electrolytes. A nephrologist is a physician who specializes in the care and treatment of kidney disease. Nephrology requires additional training to become an expert with advanced skills. Nephrologists may provide care to people without kidney problems and may work in general/internal medicine, transplant medicine, immunosuppression management, intensive care medicine, clinical pharmacology, perioperative medicine, or pediatric nephrology. Nephrologists may further sub-specialise in dialysis, kidney transplantation, chronic kidney disease,
Johnson Organs six ranks. Continuing with church organ construction, Johnson built organs of increasing size. His first two-manual organ was Opus 13, 1849, at the Congregational Church in Westfield, Massachusetts. This organ contained about 15 ranks. Further expanding his territory and size, Opus 40, a 34-stop three-manual organ, was built in 1855 for the Park Presbyterian Church in Troy, New York. Another 1855 organ is believed to be the oldest Johnson organ which still exists in its original form. It is Johnson's Opus 43, built at the First Ward Presbyterian Church (later the Westminster Presbyterian Church) in Syracuse, New York. In 1871,