Hypoparathyroidism

Causes

Appropriate Tests

 

Calcium, Phosphate, Albumin, Parathyroid hormone.

If indicated - ionised calcium.

Idiopathic

Parathyroid Ab.

Polyglandular autoimmune syndrome

 

Postsurgical

  • Parathyroidectomy
  • Thyroidectomy

 

Hypomagnesaemia

Serum or plasma Magnesium.

Di George syndrome

T lymphocyte count, chest radiology.

Pseudohypoparathyroidism (types Ia, Ib, II)

Cyclic adenosine monophosphate urine (pre- and post-PTH administration).

Iron, copper overload

Iron stores (Iron studies), Copper, Caeruloplasmin.

Amyloidosis

Free light chains.