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Approximately 1% of total magnesium in the body is found in the blood. [23] Magnesium is important in control of metabolism and is involved in numerous enzyme reactions. A normal range is 0.70 - 1.10 mmol/L. [23] The kidney is responsible for maintaining the magnesium levels in this narrow range. [citation needed]
Normal magnesium levels are between 0.6 and 1.1 mmol/L (1.46–2.68 mg/dL) with levels less than 0.6 mmol/L (1.46 mg/dL) defining hypomagnesemia. [1] Specific electrocardiogram (ECG) changes may be seen. [1] Treatment is with magnesium either by mouth or intravenously. [2] For those with severe symptoms, intravenous magnesium sulfate may be ...
Reference ranges (reference intervals) for blood tests are sets of values used by a health professional to interpret a set of medical test results from blood samples. Reference ranges for blood tests are studied within the field of clinical chemistry (also known as "clinical biochemistry", "chemical pathology" or "pure blood chemistry"), the ...
Magnesium reacts with haloalkanes to give Grignard reagents, which are used for a wide variety of organic reactions forming carbon–carbon bonds. [99] Magnesium salts are included in various foods, [100] fertilizers [101] (magnesium is a component of chlorophyll [102]), and microbe culture media. [103]
The therapeutic range for the prevention of the pre-eclamptic uterine contractions is: 4.0–7.0 mEq/L. [10] As per Lu and Nightingale, [11] serum magnesium concentrations associated with maternal toxicity (also neonate depression, hypotonia and low Apgar scores) are: [citation needed] 7.0–10.0 mEq/L – Loss of patellar reflex
Magnesium is absorbed orally at about 30% bioavailability from any water soluble salt, such as magnesium chloride or magnesium citrate. The citrate is the least expensive soluble (high bioavailability) oral magnesium salt available in supplements, with 100 mg and 200 mg magnesium typically contained per capsule, tablet or 50 mg/mL in solution. [26]
For other than pregnancy-related hypertension, a meta-analysis of 22 clinical trials with dose ranges of 120 to 973 mg/day and a mean dose of 410 mg, concluded that magnesium supplementation had a small but statistically significant effect, lowering systolic blood pressure by 3–4 mm Hg and diastolic blood pressure by 2–3 mm Hg.
Magnesium can not be produced by the human body, and can only be obtained through dietary means. [ 3 ] When the amount of magnesium levels in the blood falls below the normal level (1.3 to 2.1 mEq/L), a person is experiencing hypomagnesia , or magnesium deficiency. [ 2 ]