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  2. Hypercalciuria - Wikipedia

    en.wikipedia.org/wiki/Hypercalciuria

    Calcium may come from one of two paths: through the gut where higher than normal levels of calcium are absorbed by the body or mobilized from stores in the bones. After initial 24 hour urine calcium testing and additional lab testing, a bone density scan (DSX) may be performed to determine if the calcium is being obtained from the bones.

  3. Idiopathic hypercalcinuria - Wikipedia

    en.wikipedia.org/wiki/Idiopathic_hypercalcinuria

    In urine tests, patients are given a week of restricted calcium diet, and their urine samples are collected for two days to assay calcium in the urine. Urine tests with hypercalciuria should result in a 0.2 mg/mg ratio between calcium and creatinine. If calcium excreted in urine is measured to be lower than 0.07 mmol/kg after 24 hours, diet ...

  4. Urinary calcium - Wikipedia

    en.wikipedia.org/wiki/Urinary_calcium

    In a urinalysis, the normal amount of urinary calcium can be measured in amount per time (commonly per 24 hours).It can also be measured in amount per mass of creatinine, which avails for estimating the urinary calcium excretion in a spot urine sample, because urinary creatinine clearance is relatively unaffected by differences in free water clearance which occurs, for example, in dehydration ...

  5. Familial hypocalciuric hypercalcemia - Wikipedia

    en.wikipedia.org/wiki/Familial_hypocalciuric...

    Familial hypocalciuric hypercalcemia (FHH) is an inherited condition that can cause hypercalcemia, a serum calcium level typically above 10.2 mg/dL; although uncommon. [1] It is also known as familial benign hypocalciuric hypercalcemia (FBHH) where there is usually a family history of hypercalcemia which is mild, a urine calcium to creatinine ratio <0.01, and urine calcium <200 mg/day ...

  6. Hypercalcaemia - Wikipedia

    en.wikipedia.org/wiki/Hypercalcaemia

    Calcium deposits known as limbus sign may be visible in the eyes. [7] Symptoms are more common at high calcium blood values (12.0 mg/dL or 3 mmol/L). [6] Severe hypercalcaemia (above 15–16 mg/dL or 3.75–4 mmol/L) is considered a medical emergency: at these levels, coma and cardiac arrest can result.

  7. Urine electrolyte levels - Wikipedia

    en.wikipedia.org/wiki/Urine_electrolyte_levels

    If potassium is being lost through the kidneys, urine potassium will likely be high. If urine potassium is low, this suggests a non-renal cause. [7] Urinary calcium (Ca) – per day: 2.5: 6.25: mmol / 24 h: An abnormally high level is called hypercalciuria and an abnormally low rate is called hypocalciuria. 14637-3: 100 [8] 250 [8] mg / 24 ...

  8. Nephrocalcinosis - Wikipedia

    en.wikipedia.org/wiki/Nephrocalcinosis

    Nephrocalcinosis is connected with conditions that cause hypercalcaemia, hyperphosphatemia, and the increased excretion of calcium, phosphate, and/or oxalate in the urine. A high urine pH can lead to nephrocalcinosis but only if it is accompanied by hypercalciuria and hypocitraturia, since having a normal urinary citrate usually inhibits the ...

  9. Kidney stone disease - Wikipedia

    en.wikipedia.org/wiki/Kidney_stone_disease

    Thiazides work best for renal leak hypercalciuria (high urine calcium levels), a condition in which high urinary calcium levels are caused by a primary kidney defect. Thiazides are useful for treating absorptive hypercalciuria, a condition in which high urinary calcium is a result of excess absorption from the gastrointestinal tract. [52]