Matthew is 30 years old and was seen by yourself at the GP practice 3 days ago. He presented complaining of indigestion and there were no red flags in the history and normal examination findings. He rings reception this morning and informs them that he is angry that he was misdiagnosed and has since been admitted to hospital with a Myocardial Infarction.
You are the duty doctor on call today. What is the most appropriate next step to take?