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  2. Hypocalcemia - Wikipedia

    en.wikipedia.org/wiki/Hypocalcemia

    Hypocalcemia is a medical condition characterized by low calcium levels in the blood serum. [5] The normal range of blood calcium is typically between 2.1–2.6 mmol/L (8.8–10.7 mg/dL, 4.3–5.2 mEq/L), while levels less than 2.1 mmol/L are defined as hypocalcemic.

  3. Calcium metabolism - Wikipedia

    en.wikipedia.org/wiki/Calcium_metabolism

    The plasma total calcium concentration is in the range of 2.2–2.6 mmol/L (9–10.5 mg/dL), and the normal ionized calcium is 1.3–1.5 mmol/L (4.5–5.6 mg/dL). [4] The amount of total calcium in the blood varies with the level of plasma albumin, the most abundant protein in plasma, and therefore the main carrier of protein-bound calcium in the blood.

  4. Disorders of calcium metabolism - Wikipedia

    en.wikipedia.org/wiki/Disorders_of_calcium...

    Disorders of calcium metabolism occur when the body has too little or too much calcium. The serum level of calcium is closely regulated within a fairly limited range in the human body. In a healthy physiology, extracellular calcium levels are maintained within a tight range through the actions of parathyroid hormone , vitamin D and the calcium ...

  5. Low calcium, magnesium levels tied to poorer cognitive ... - AOL

    www.aol.com/low-calcium-magnesium-levels-tied...

    Older adults with calcium and magnesium deficiencies also had poorer cognitive performance compared to peers with adequate micronutrient levels, a recent study has found. Low calcium, magnesium ...

  6. Calcium in biology - Wikipedia

    en.wikipedia.org/wiki/Calcium_in_biology

    In contrast, ionized calcium is a measure of free calcium. An abnormally high level of calcium in plasma is termed hypercalcemia and an abnormally low level is termed hypocalcemia , with "abnormal" generally referring to levels outside the reference range .

  7. Chvostek sign - Wikipedia

    en.wikipedia.org/wiki/Chvostek_sign

    The Chvostek sign (/ ˈ k v ɒ s t ɪ k /) is a clinical sign that someone may have a low blood calcium level (a decreased serum calcium, called hypocalcemia).The Chvostek sign is the abnormal twitching of muscles that are activated (innervated) by the facial nerve (also known as Cranial Nerve Seven, or CNVII). [1]

  8. Hypercalcaemia - Wikipedia

    en.wikipedia.org/wiki/Hypercalcaemia

    Diagnosis should generally include either a calculation of corrected calcium or direct measurement of ionized calcium level and be confirmed after a week. [1] This is because either high or low serum albumin levels does not show the true levels of ionised calcium. [15]

  9. Hypoalbuminemia - Wikipedia

    en.wikipedia.org/wiki/Hypoalbuminemia

    For example, calcium binds to albumin; in hypoalbuminemia, there is an increased amount of free ionized calcium, its biologically active form. In the presence of hypoalbuminemia, these functions are differentially affected, and the mechanisms by which they affect disease outcomes remains an area of active debate.