16th August 2023

A 53-year-old woman presents to the emergency department with severe nausea

A 53-year-old woman presents to the emergency department with severe nausea, fatigue, and polydipsia. She has a history of non-small cell lung carcinoma. Blood tests reveal a serum calcium of 3.6 mmol/L [Normal range: 2.2 to 2.6 mmol/L].

What other laboratory finding is most likely to be present?