Giant cell arteritis: a real life evaluation of service quality at the Royal National Hospital for Rheumatic Diseases, Bath

Giant cell arteritis (GCA) is the most common form of systemic vasculitis with an incidence of 41 to 113 cases per 100,000 people aged over 50 years in North American and European populations, affecting women approximately 1.5 times more frequently than men.[1][1] GCA is characterised by ischaemic