20th August 2020

A patient is brought into the emergency department confused and found to have a low sodium on blood tests

A patient is brought into the emergency department confused and found to have a low sodium on blood tests. The only information provided from the ambulance crew is he was found in a community psychiatric clinic where he had consumed three bottles of water. He subsequently became increasingly drowsy in the reception area whilst waiting to be seen by the community psychiatry doctors. He has a known history of bipolar affective disorder.

For the patient above, please select the SINGLE most likely diagnosis. Select ONE option from the list above.