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,
Four Organs work, each tone sounds almost in sequence. A continuous maraca beat serves as a rhythmic framework. Reich describes the piece as "the longest V–I cadence in the history of Western Music," the V and I chords being contained within the one chord. "You'll find the chord in Debussy and Thelonious Monk – the tonic on top and the dominant on the bottom." He has cited the music of Pérotin and other twelfth and thirteenth century composers as suggesting the technique of note augmentation used in "Four Organs". For performances of the piece, Reich recommended using electronic organs with as plain