24 h urine volume normal healthy person is about 1500-2000ml; If the 24h urine as more than 2500ml of urine. Pathological polyuria seen in diabetes mellitus, diabetes insipidus, kidney disease.
Polyuria for different reasons, very different history, careful questioning of Endocrinology and Metabolism diseases, kidney disease history, medication history and other applications. Note dehydration medical examination, musculoskeletal examination, neurological examination is the focus of reflection. Biochemical laboratory tests to blood acid-base balance, water and electrolyte checks for the necessary means. Suspected multiple myeloma bone marrow examination can be diagnosed when repeated. X ray film. CT, MRL examination, we find that bone damage, as well as organs of the structure of demineralized size and so on.
Project selection】 【Inspection
Urine, urine, blood sugar, electrolyte determination, blood antidiuretic hormone determination.
Determine】 【test results
(1), urine routine examination: specific gravity was reduced, indicating that diabetes insipidus may be caused by polyuria.
(2) urine and blood glucose measurement: the positive urine sugar, blood glucose increased, suggesting that diabetes induced polyuria.
(3) Determination of serum electrolytes: calcium increase, suggesting that hyperparathyroidism may be caused by polyuria; potassium decreased, suggesting that the disease caused by low potassium and urination.
(4) Determination of serum antidiuretic hormone: reduced, indicating that the polyuria of diabetes insipidus.
Sunday, August 8, 2010
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