1st April 2022

A 40-year-old female presents to the A&E with acute chest pain and breathlessness

A 40-year-old female presents to the A&E with acute chest pain and breathlessness. She has recently returned from travel to Thailand. Physical examination was unremarkable aside from tachycardia and tachypnoea. An ECG showed sinus tachycardia. Her observations were HR 105 bpm, RR 30 bpm, BP 85/60 mmHg, temperature 37°C, oxygen saturation 93% on room air. A chest X-ray showed no obvious abnormality.

Which of the following is the most appropriate initial management?

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