An 88 year old man attends GP due to feeling very light headed for the past week. He tells you that it is worse in the morning when he gets out of bed or when he stands up too quickly. He has been taking his blood pressure medication for the past 10 years and has not had any changes to the dose. He has type 2 diabetes and high cholesterol for which he is prescribed metformin, gliclazide and atorvastatin. Given the most likely diagnosis, which of the following is correct when examining his blood pressure?