A nephrologist is a doctor who has been trained in the diagnosis and management of kidney disease. The nephrologist manages kidney disease by regulating blood pressure, regulating electrolytes, balancing fluids in the body, and administering dialysis. Nephrologists treat many different kidney disorders including acid-base disorders, electrolyte disorders, kidney stones, hypertension (high blood pressure), acute kidney disease and end-stage renal disease. Nephrology is a subspecialty of internal medicine.
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