A 62 year old woman presents with central chest pain and nausea, despite inactivity, which started 4 hours ago. The chest pain has settled with sublingual Glyceryl Trinitrate spray.
On examination, her blood pressure is 138/86 mmHg, her heart rate is 87 beats per minutes, her respiratory rate is 17 breaths per minute and her oxygen saturations are 95% on air.
What is the next most appropriate management step?
