Table 1

Takayasu’s arteritis: the American College of Rheumatology’s 1990 diagnostic criteria13

At least three criteria must be present for a diagnosis. Characteristic angiographic appearances are described.1
• Patient below 40 years of age at initial diagnosis
• Claudication of extremities
• Reduced brachial pulse
• Difference in blood pressure between right and left arms >10 mm Hg
• Bruit above subclavian artery, aorta, or both
• Arteriographic appearance