MSRA-0890
An 88-year-old man with known metastatic prostate cancer is brought to the emergency department confused. He is unable to provide further history but reports feeling generally unwell. Upon examination, his chest is clear, heart sounds normal, and abdomen is soft with no tenderness. The initial blood tests reveal:
– Na+ 134 mmol/l
– K+ 4.7 mmol/l
– Urea 7.8 mmol/l
– Creatinine 104 µmol/l
– Adjusted Ca2+ 3.5 mmol/l
– Mg2+ 0.81 mmol/l
What would be your initial treatment plan?