12th March 2024

A 56-year-old female presents to the emergency department with fever (39.3°C), lethargy, fatigue and night sweats for the last three weeks.

A 56-year-old female presents to the emergency department with fever (39.3°C), lethargy, fatigue and night sweats for the last three weeks. On auscultation you note a pansystolic murmur. Peripheral blood cultures are taken and reveal growth of Streptococcus gallolyticus. The presence of vegetations is confirmed on transoesophageal echocardiogram. Which of the following investigations is it prudent to perform next?

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