In medicine, hypocalcaemia is the presence of less than a total calcium of 2.2 mmol/L (9mg/dl), or an ionized calcium of less than 1.1 mmol/L (4.5 mg/dL) in the serum.
Causes
- absent parathyroid hormone (PTH)
- hereditary hypoparathyroidism
- acquired hypoparathyroidism
- hypomagnesemia
- ineffective PTH
-
chronic renal failure
- absent active vitamin D
- decreased dietary intake
- decreased sun exposure
- defective Vitamin D metabolism
- ineffective active vitamin D
- pseudohypoparathyroidism
- deficient PTH
- severe acute hyperphosphatemia
- osteitis fibrosa following parathyroidectomy
See also
Last updated: 09-12-2005 02:39:13