Disease or Syndrome
hypocalcemia
hy·po·cal·ce·mi·a [ hahy-poh-kal-see-mee-uh ]
Subclass of:
Calcium Metabolism Disorders;
Water-Electrolyte Imbalance
Definitions related to hypocalcemia:
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Abnormally low level of calcium in the blood.NICHD Pediatric TerminologyU.S. National Cancer Institute, 2021
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An abnormally decreased calcium concentration in the blood.Human Phenotype Ontology (HPO)The Human Phenotype Ontology Project, 2021
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Lower than normal levels of calcium in the circulating blood.NCI ThesaurusU.S. National Cancer Institute, 2021
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Reduction of the blood calcium below normal. Manifestations include hyperactive deep tendon reflexes, Chvostek's sign, muscle and abdominal cramps, and carpopedal spasm. (Dorland, 27th ed)NLM Medical Subject HeadingsU.S. National Library of Medicine, 2021
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A disorder characterized by laboratory test results that indicate a low concentration of calcium (corrected for albumin) in the blood.Common Terminology Criteria for Adverse EventsU.S. National Institutes of Health, 2021
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Hypocalcemia is a total serum calcium concentration < 8.8 mg/dL (< 2.20 mmol/L) in the presence of normal plasma protein concentrations or a serum ionized calcium concentration < 4.7 mg/dL (< 1.17 mmol/L). Causes include hypoparathyroidism, vitamin D deficiency, and renal disease. Manifestations include paresthesias, tetany, and, when...Merck & Co., Inc., 2020
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The presentations of patients with hypocalcemia vary widely, from asymptomatic to life-threatening situations. Hypocalcemia is frequently encountered in patients who are hospitalized.WebMD, 2019
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