Table 1.

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

• 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

At least three criteria must be present for a diagnosis. Characteristic angiographic appearances are described.¹