What are the causes of hypercalcaemia?
What malignancies can cause hypercalcaemia?
What are the symptoms of hypercalcaemia?
What investigations are done in hypercalcaemia?
What are the most common causes of hypercalcaemia?
Malignancy and hyperparathyroidism
What points towards malignancy as the cause of hypercalcaemia?
What indicates hyperparathyroidism as the cause of hypercalcaemia?
Increased PTH
What should the management of hypercalcaemia involve?
Diagnosis and treatment of the underlying cause
How should hypercalcaemia be managed if calcium is >3.5mmol/L and the patient is symptomatic?
What do bisphosphonates do?
Prevent bone reabsorption by inhibiting osteoclast activity
How long does a single dose of bisphosphonates take to lower calcium?
2-3 days, with the maximum effect being achieved after a week
How should bisphosphonates be administered?
They should be infused slowly, for example 30mg in 300mL 0.9% saline over 3 hours
What are the potential side effects of bisphosphonates?