1st April 2022

A 78-year-old woman presents with fever, confusion, nausea and vomiting for the past 3 days

A 78-year-old woman presents with fever, confusion, nausea and vomiting for the past 3 days. The patient was diagnosed with rheumatoid arthritis 7 months previously and was advised to take Ibuprofen to help manage the chronic pain, swelling and inflammation. 

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