Conclusions / Take Home Message A 58 year old lady was seen by endocrinology with symptomatic hyponatraemia (Serum Na + 112mmol/L). She had chest pain, dyspnoea, lethargy, nausea and weight loss. Box 1-Initial investigations Serum Na + (136-145 mmol/L) 112 Urine Na + (mmol/L) 158 Serum Osmolality (275-295 mOsm/kg) 247 Urine Osmolality (mOsm/kg) 669 Short Synacthen (nmol/L) Cortisol 305 715 835 TSH (0.4-5.0 mu/L) 0.71
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.