Endocrine Abstracts

Case History: A 47-year-old man presented to his GP in November 2019 with sudden onset polydipsia, polyuria and large volume nocturia, passing approximately 5L of urine daily. He was drinking to thirst, had no past medical or family history, and was not taking any medication. He had normal serum calcium, sodium and HbA1c. His GP referred to the local endocrinologist. Five months later, he was referred to our tertiary centre for a water deprivation test, as it had not been poss...