ESR ~70-110
84% sensitivity, 30% specificity
>15% of patients can have a normal ESR
CRP elevated
May be more sensitive than ESR
Doesn't have normal age related increase like ESR does
4% of patients have normal CRP and ESR with biopsy confirmed diagnosis
84% sensitivity, 30% specificity
>15% of patients can have a normal ESR
May be more sensitive than ESR
Doesn't have normal age related increase like ESR does
3 or more criteria 93% sensitive and 91% specific
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<unk>  or a granulomatous process with multinucleated<unk> <unk> s
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<unk>  or a granulomatous process with multinucleated<unk> <unk> s
Giant cell arteritis
Migraine headache
Takayasu arteritis
Tension headache
Cluster headache
Benign paroxysmal positional vertigo
Meningitis/encephalitis
Carotid-cavernous fistula