,Hypercalcaemia
,Hypercalcaemia: Severity
• Mild = 2.6-3mmol/L
• Moderate = 3-3.4mmol/L
• Severe = >3.4mmol/L
, Hypercalcaemia: Causes
• Primary hyperparathyroidism
• Malignancy
• Multiple myeloma
• Leukaemia
• Bone metastasis e.g. lung, breast and prostate cancer
• Paraneoplastic release of PTHrP from squamous cell lung cancer
• Drugs
• Thiazide diuretics
• Lithium
• Dehydration
• Thyrotoxicosis
• Addison’s disease