bartter's syndrome…

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aldosterone level test, potassium wasting, bartter's syndrome, group of symptoms, signs, enlargement of certain kidney cells, alkalosis associated, reduced potassium, hypokalemic alkalosis, increased production, the hormone aldosterone, the aldosterone test, no elevation of blood pressure, bartter's syndrome, occurs, kidney disease, exact cause of bartter's syndrome is not known, genetic, condition is present, birth, congenital, condition is thought to be, a defect, in the kidney's ability to reabsorb potassium, an, excessive amount, potassium is excreted, potassium wasting, occurs in childhood, symptoms include muscle cramping, weakness, constipation, increased frequency of urination, growth failure, diagnosis of bartter's syndrome, made by finding low levels of potassium, in the blood, potassium level, less than 2.5 meq/l, signs of this syndrome, normal blood pressure, low blood chloride, metabolic alkalosis, blood is more alkaline that normal, high blood levels, the hormones renin, aldosterone, involved, in the regulation of potassium by the kidney, high levels of potassium, chloride, in the urine, same signs, excessive amounts of diuretics, laxatives, urine tests, exclude these causes, in bartter's syndrome, a biopsy, the kidney typically shows overgrowth of cells, the juxtaglomerular apparatus, not found in all patients, in young children, bartter's syndrome is treated by keeping the blood potassium level, above 3.5 meq/l, achieved, a diet rich in potassium, patients, require salt, magnesium supplements, long term prognosis, patients, bartter's syndrome is not certain, infants who experience severe growth failure typically grow, studies, see, children have decreased mental functioning, occur, potassium levels, abnormal, too long, most patients remain well, ongoing treatment, develop kidney failure, kidney failure, complication, child is not growing well, urinating frequently, having muscle cramps.