29th February 2024

An 86-year-old lady has presented to the emergency department with new confusion, weakness, and constipation.

An 86-year-old lady has presented to the emergency department with new confusion, weakness, and constipation. She has a past medical history of hypertension, asthma, and Paget’s disease. Her blood results from the emergency department are as follows:

Na 136 (135-145 mmol/l)

K 3.8 (3.5-5 mmol/l)

Ur 5 (3-7 mmol/l)

Cr 98 (60-125 umol/l)

Hb 135 (115-160g/l)

AST 16 (3-30 iu/l)

ALT 12 (3-40 iu/l)

ALP 330 (30-100 umol/l)

Ca 3.8 (2.1-2.6mmol/l)

Select the most appropriate option for managing this patient: