You are a PA in a GP setting and you are seeing a 71-year-old patient who has presented with a productive cough, weight loss, fever, night sweats and general malaise. He is also complaining of breathlessness and haemoptysis. You decide that these symptoms are highly suggestive of TB and as a result of this you have sent off sputum samples for microscopy and culture. What is the next most appropriate step in this patient’s care?