A 54-year-old man presents with new onset unilateral headache, jaw claudication, and visual blurring. ESR is 88 mm/h. According to Canadian vasculitis guidance, what is the most appropriate immediate management?AOrder temporal artery biopsy and await result before treatingBStart high-dose oral prednisone immediately and arrange temporal artery biopsyCStart low-dose aspirin onlyDReassure and observeETreat with antibiotics for presumed sinusitisCheck my answer