22nd February 2024

A 28 year old male is admitted to the acute surgical ward with severe abdominal pain.

A 28 year old male is admitted to the acute surgical ward with severe abdominal pain. The pain is focussed in the right lower quadrant of the abdomen and the patient has been suffering from nausea and vomiting. Appendicitis is suspected and the patient is placed nil by mouth whilst he awaits surgery. His blood results from the emergency department are as follows:

Na 152 (135-145 mmol/l)
K+ 3.6 (3.5-5 mmol/l)
Ur 8 (3-7 mmol/l)
Cr 94 (60-125 umol/l)

Select the most appropriate option for managing this patient: