31st July 2023

A 73-year-old man is brought in by ambulance to A&E with a rapidly falling blood pressure. The paramedics report

A 73-year-old man is brought in by ambulance to A&E with a rapidly falling blood pressure. The paramedics report that the patient’s house smelled of stale cigarette smoke. In the ambulance, he was complaining of lower back pain and abdominal pain.

The patient was resuscitated with IV fluids and blood products. His most recent observations are: BP 102/76mmHg, RR 18/min, HR 98 bpm, T 36.8ᵒC, SpO2 100% on 8 L of oxygen.

What is the most appropriate next investigation?

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