For diagnosing “Temporal Arteritis”, the American College of Rheumatology recommends meeting 3 of their 5 criteria.
- Age ≥ 50 years old
- New onset of headache
- Temporal artery tenderness or DECREASED temporal pulse (not related to carotid disease)
- ESR ≥ 50 mm/hr
- Artery biopsy with necrotizing arteritis or a granulomatous process with multinucleated giant cells