26th May 2025

A 74-year-old is referred with hypercalcaemia.

A 74-year-old is referred with hypercalcaemia. She has a medical history of asthma. She reports no weight loss. She remains independent and active, and still does the gardening daily. She has no history of fractures or renal stones. She reports no family history of any diseases. 

Further tests show:

Na+: 142 mmol/L (133-146)

K+: 4.1 mmol/L (3.5-5.5)

Creatinine: 78 umol/L (55-110)

Adjusted calcium:  3.02 mmol/L (2.20-2.60)

Parathyroid hormone: 0.8 pmol/L (normal 1.6 – 6.9 pmol/L)

What is the most appropriate management?

Select the SINGLE most appropriate option from the list below. Select ONE option only.