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Table 1 ACR Criteria (1990) for the diagnosis of Takayasu’s arteritis

From: French recommendations for the management of Takayasu’s arteritis

Age of onset ≤ 40 years  
Claudication of the extremities: discomfort or muscle fatigue upon effort of at least one extremity, especially the upper limbs
Decrease of at least one brachial pulse
Asymmetry of at least 10 mm Hg of the
humeral systolic pressure
Murmur upon auscultation on a subclavian artery or on the abdominal aorta
Angiographic abnormalities (angio-CT and/or angio-MRI are the imaging modalities currently used): narrowing or occlusion on the aorta, its branches or the proximal arteries of the limbs, segmentalor focal, not related to the atherosclerosis or fibromuscular dysplasia