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American College of Rheumatology criteria for the classification criteria of Takayasu arteritis which is highly probable in the presence of three or more criteria (sensitivity 91 % and specificity 98 % [33])
| Age at disease onset < 40 years |
| Claudication of the extremities |
| Weak brachial artery pulse |
| Blood pressure difference > 10 mmHg between arms |
| Auscultable stenotic bruits over the subclavian artery or abdominal aorta |
| Pathognomonic angiographic findings |
