In this scenario, the student is expected to ask relevant questions to understand how the patient is coping with their new medication - warfarin. The student does not need to contact the prescriber during this station. 

Please ensure that this scenario and mark scheme aligns with the most up-to-date guidelines from the UK NICE and the BNF when using it for your OSCE assessment. 

You will need a student pharmacist and an actor for this OSCE Scenario.