4th April 2024

A 38-year-old gentleman was admitted after a first fit episode witnessed by his partner

A 38-year-old gentleman was admitted after a first fit episode witnessed by his partner. He had a tonic-clonic seizure that lasted for 1-2 minutes and spontaneously resolved. He also complained of lethargy, general weakness, irritability and confusion. On examination, he was clinically dehydrated. His urine osmolality was 450mOsmol/kg. His blood tests showed deranged electrolytes. Which electrolyte imbalance could the patient have presented with?

Select the SINGLE most appropriate option from the list below. Select ONE option only.