RT Book, Section A1 Griffiths, Richard A1 McNulty, Sid A2 Young, Alison A2 Board, Ruth E. A2 Leonard, Pauline A2 Cooksley, Tim A2 Stewart, Andrew A2 Michie, Caroline SR Print(0) ID 1167764695 T1 Metabolic Complications of Malignancy: Hyponatraemia T2 Problem Solving in Acute Oncology, 2e YR 2020 FD 2020 PB Association of Cancer Physicians PP New York, NY SN 9780995595439 LK hemonc.mhmedical.com/content.aspx?aid=1167764695 RD 2021/03/06 AB A 62-year-old female smoker with chronic obstructive airways disease presented to the emergency department with a collapse. She gave a 6 week history of cough, anorexia and weight loss with recent onset of dizziness, nausea and confusion. The admitting doctor noted that she was vague; her abbreviated mental test score was 7 out of 10. A chest X-ray showed a large mass at the right hilum with widening of the mediastinum. Her serum sodium level was 111 mmol/l.What are the causes of hyponatraemia?How should this patient be managed?