Hypercalcaemia
Severity
Range
- MildAdj Ca 2.6–3.0
- ModerateAdj Ca 3.0–3.4
- SevereAdj Ca > 3.4 or symptomatic
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Endocrine Causes
Primary hyperparathyroidismTertiary hyperparathyroidism (CKD)HyperthyroidismAddison's
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Malignancy Causes
Bony metastases (breast, lung, prostate)MyelomaPTHrP (squamous cell, renal)
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Drugs Causes
ThiazidesLithiumVitamin D / calcium supplementsVitamin A toxicity
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Granulomatous Causes
SarcoidosisTB
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Other Causes
ImmobilisationFamilial hypocalciuric hypercalcaemia