Nephrology Medicine (AOBIM) nephrology examination. Nephrologists must be approved by one of these boards. To be approved, the physician must fulfill the requirements for education and training in nephrology in order to qualify to take the board's examination. If a physician passes the examination, then he or she can become a nephrology specialist. Typically, nephrologists also need two to three years of training in an ACGME or AOA accredited fellowship in nephrology. Nearly all programs train nephrologists in continuous renal replacement therapy; fewer than half in the United States train in the provision of plasmapheresis. Only pediatric trained physicians are able
Four Organs Four Organs Four Organs is a work for four electronic organs and maraca, composed by Steve Reich in January 1970. The four organs harmonically expound a dominant eleventh chord (E–D–E–F–G–A–B), dissecting the chord by playing parts of it sequentially while the chord slowly increases in duration from a single 1/8 note at the beginning to 200 beats at the end. The process of increased augmentation is accomplished first by causing notes to sustain after the chord, and then notes start anticipating the chord. As the piece progresses, this "deconstruction" of the chord emphasizes certain harmonies. At the climax of the