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HyperCalcaemia (Symptoms (Abdo Groans (Constipation, Pancreatitis, Gastric…
HyperCalcaemia
Causes
HyperParathyroidism
Primary
MEN
1
Tumour
2 Pancreatic Islet Cell
3 Pituitary
Prolactin 60%
GH 25%
1 HyperPara
2a
HyperPara
Medullary Thyroid Carcinoma
Phaeochromocytoma
Tertiary
Lithium induced
PTH: ↑ Ca ↓ Phos
Malignancy
Myeloma
Breast
Lung
Mets (Osteoclastic)
PTH-rp release 80%
Other 10%
1 Drugs
Thiazides
#
Tamoxifen
3 Granulomatous
Sarcoidosis
Elevated Vit D
5 Familial
Hypocalciuric HyperCa
4 Other Endo
Acromegaly
Addison's
2 Elevated Bone Turnover
Thyrotoxicosis
Paget's Disease
Treatment
Volume Repletion
IV Saline
Loop (Furosemide)
If Severe
Surgery Parathyroid
Bisphosphonates
Mets
Symptoms
Stones
Renal
Polyuria
Volume Depletion
#
Bones
Pain
Abdo Groans
Constipation
Pancreatitis
Gastric Ulcers
Psychic Groans
Confusion
Coma
Weakness
Hypotonia
Hyporeflexia
Paresis
Cardiac
Arrythmias
Syncope
Short QT
Metabolic Alkalosis
HypoK+
2.10-2.65 mmol/L
Urine
High Ca
Bone
Check PTH
High HyperPara
Low
Mets
Addisons/Thyrotox
GI
Vit D
Low Ca
Thiazide
Lithium
Familial