Nephrology guidance, of a core biopsy needle into the kidney to obtain a small sample of kidney tissue. The kidney tissue is then examined under a microscope, allowing direct visualization of the changes occurring within the kidney. Additionally, the pathology may also stage a problem affecting the kidney, allowing some degree of prognostication. In some circumstances, kidney biopsy will also be used to monitor response to treatment and identify early relapse. Treatments in nephrology can include medications, blood products, surgical interventions (urology, vascular or surgical procedures), renal replacement therapy (dialysis or kidney transplantation) and plasma exchange. Kidney problems can have significant
Four Organs a combination of "loud cheers, loud boos, and whistles." A 1973 performance of "Four Organs" at Carnegie Hall in New York City nearly caused a riot, with "yells for the music to stop, mixed with applause to hasten the end of the piece." One of the performers, Michael Tilson Thomas, recalls: "One woman walked down the aisle and repeatedly banged her head on the front of the stage, wailing 'Stop, stop, I confess.'" References 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