HEALTH NEWS
Study Title:
Calcium.
Study Abstract
Calcium is a prominent molecule that is involved in many biochemical processes throughout the body. It is an essential element for proper cardiac function, the structural integrity of bone, muscular contraction, and acts as an enzymatic signal in biochemical pathways. Calcium is tightly regulated by the parathyroid hormone (PTH), calcitonin, and calcitriol, which work together to regulate serum calcium levels. Calcium must be ingested endogenously, and absorption in the gastrointestinal system is influenced by hormones PTH and calcitriol (1,25-dihydroxyvitamin D). Serum calcium can be measured by a venous sample, with physiologic levels ranging from 8.8 mg/dl to 10.4 mg/dL for total calcium, and 4.7 mg/dL to 5.2 mg/dL for ionized calcium. Total calcium values should be corrected for current albumin concentrations, which acts as a carrier protein and can affect the reported results. Calcium can also be analyzed in the urine by calcium concentration, urine calcium to creatinine ratio (UCa : UCr), or fractional excretion of calcium (FeCa). Calcium derangements can result from many diseases or therapies that affect hormone secretion, receptor sensitivities, intestinal absorption, and renal effectiveness. Laboratory error can cause inaccurately reported calcium levels, and preventive measures should be included in specimen collection and analysis. Due to the complexity of calcium’s role throughout the body, and the many therapies available that can affect calcium concentration. An interprofessional team is essential for proper patient management.
Study Information
2021 May 9. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2021 Jan–. PMID: 32491615.Full Study
https://pubmed.ncbi.nlm.nih.gov/32491615/Recent News
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