A 59-year-old man presents with unilateral temporal headache, jaw claudication and visual blurring. ESR and CRP are markedly elevated. According to giant cell arteritis management, what is the most appropriate immediate action?AWait for temporal artery biopsy before starting treatmentBStart high-dose corticosteroids immediately and arrange urgent temporal artery biopsyCTreat with NSAIDs and observeDStart low-dose steroids and review in 1 monthEDischarge with reassuranceCheck my answer