Urine calcium (Ca2+, Ca)

Urinary calcium refers to the determination of calcium concentration in urine for 24 hours. Calcium is one of the most abundant elements in the body, with an average total body content of about 1kg, mainly distributed in bones. Changes in urinary calcium can reflect changes in blood calcium, but urinary calcium values ​​vary greatly. Calcium, protein intake and phosphorus excretion can affect calcium excretion, and high urinary phosphorus is low in urinary calcium. Basic Information Specialist classification: growth and development check classification: urine / kidney function test Applicable gender: whether men and women apply fasting: fasting Warm reminder: to ensure normal diet, normal activities, do not deliberately drink too much water, neither can stay in bed nor too vigorous exercise. Normal value Colorimetric method, ion selective electrode method Infant <1.0 mmol / (kg · 24h). Children <0.2 mmol / (kg · 24h). Adults 2.5 to 7.5 mmol / 24 h. Clinical significance Increased in excessive exposure to sunlight, hypercalcemia, hyperparathyroidism, hyperthyroidism, vitamin D poisoning, multiple myeloma, leukemia, malignant bone metastasis, renal tubular acidosis, and chlorination Hind, calcitonin, corticosteroids, growth hormone, parathyroid hormone and other drugs. Reduced in late pregnancy, hypocalcemia, hypoparathyroidism, vitamin D deficiency, nephrotic syndrome, acute pancreatitis, bone malignancy, hypothyroidism, and intake of diuretics, estrogen, neomycin, oral Contraceptives and other drugs. Low results may be diseases: primary hyperparathyroidism, vitamin D deficiency, high results may be diseases: vitamin D poisoning, hypoparathyroidism, hypocalcemia, hypercalcemia considerations To ensure normal diet and normal activities on the day, do not deliberately drink too much water, neither staying in bed nor exercising too vigorously. Inspection process The urine of the subject was collected and detected by chemical methods. Not suitable for the crowd Generally no taboos. Adverse reactions and risks Generally not.

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