Endocrinology Book

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Hypoparathyroidism

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  1. Causes
    1. Hereditary
      1. Idiopathic Hypoparathyroidism
      2. DiGeorge Syndrome
    2. Acquired
      1. Thyroidectomy with operative Parathyroid removal
      2. Radiation
      3. Hemochromatosis
    3. Autoimmune Syndrome
      1. Adrenal, Ovarian and Parathyroid failure
      2. Mucocutaneous Candidiasis
      3. Alopecia
      4. Vitiligo
      5. Pernicious Anemia
  2. Symptoms and signs
    1. See Hypocalcemia
  3. Labs
    1. See Hypocalcemia
  4. Calcium Replacement
    1. General
      1. Adjust dosing to Serum Calcium
      2. Avoid Hypercalciuria (risk of Nephrolithiasis)
      3. Check for Hypomagnesemia and replace if low
    2. Preparations
      1. Calcium Citrate 950 mg 2 tabs po tid
      2. Calcitriol (Vitamin D) 0.5 ug/day

Hypoparathyroidism (C0020626)

Definition (MSH)A condition caused by a deficiency of PARATHYROID HORMONE (or PTH). It is characterized by HYPOCALCEMIA and hyperphosphatemia. Hypocalcemia leads to TETANY. The acquired form is due to removal or injuries to the PARATHYROID GLANDS. The congenital form is due to mutations of genes, such as TBX1 (DIGEORGE SYNDROME); CASR encoding CALCIUM-SENSING RECEPTOR; or PTH encoding parathyroid hormone.
Definition (CSP)condition produced by greatly reduced function of the parathyroids possibly due to autoimmune disease or genetic factors, or by the removal of those bodies; lack of parathyroid hormone leads to a fall in plasma calcium level, which may result in increase neuromuscular excitability and ultimately tetany followed by a rise in plasma phosphate level.
ConceptsDisease or Syndrome (T047)
ICD9252.1
MSHD007011
EnglishDeficiency of parathyrin, Deficiency of parathyroid hormone, Deficiency of PTH, Hypoparathyroidism
Spanishdeficiencia de hormona paratiroidea, deficiencia de paratohormona, deficiencia de PTH, deficit de hormona paratiroidea, deficit de PTH, hipoparatiroidismo
Parent ConceptsDisease of parathyroid glands (C0030517), Hypoparathyroidism (C0020626)
SourcesAOD, COSTAR, CSP, CST, DXP, ICD9CM, LCH, MEDLINEPLUS, MSH, MTH, NDFRT, OMIM, QMR, SCTSPA, SNOMEDCT
Derived from the NIH UMLS (Unified Medical Language System)



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