28th August 2020

An 82-year-old female on the elderly care ward with a background of dementia was noted to be more confused than usual

An 82-year-old female on the elderly care ward with a background of dementia was noted to be more confused than usual. On review of her fluid balance chart, she has decreased urine output compared to previous days. Her observations showed HR 95, BP 95/70, RR 12, O2 sats 99% on room air. Physical examination showed sunken eyeballs, poor skin turgor and dry oral mucosa. 

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