Hypocalcaemia	

The causes of hypocalcaemia are listed in Fig. 18.13; these include primary hypoparathyroidism, which is associated with decreased PTH secretion from the parathyroid glands due to disease or surgical damage to the parathyroids. 

See later:
• Hypocalcaemia – Pseudohyperparathyroidism
• Hypocalcaemia – Hypomagnesaemia
• Hypocalcaemia – Acute Pancreatitis
• Hypocalcaemia – Renal Failure
• Hypocalcaemia – Vitamin D Deficiency
• Clinical Features of Hypocalcaemia 
• Diagnosis of Hypocalcaemia 
• Treatment of Hypocalcaemia