Time to maximal onset
Location
Occipital - Cerebellar lesion, muscle spasm, cervical radiculopathy
Orbital - Optic neuritis, cavernous sinus thrombosis
Facial - Sinusitis, carotid artery dissection
Prior<unk>  history
Occipital - Cerebellar lesion, muscle spasm, cervical radiculopathy
Orbital - Optic neuritis, cavernous sinus thrombosis
Facial - Sinusitis, carotid artery dissection
Scalp and temporal artery palpation
Sinus tap / transillumination
EBQ: Jolt Test
Neuro exam
Horizontal rotation of the head at frequency of 2 rotations/second - exacerbation of pre-existing<unk>  is positive test.
Although a 1991 study showed high sensitivity with this test, multiple newer studies<unk> ve cast doubt on its sensitivity. Although it may be clinically useful in the right subset of patients, it should not be considered to be 100% Sn
Headache
Migraine headache
Tinnitus
Tension headache
Dizziness
Cluster headache
Sore throat
Meningitis/encephalitis