CT head
MRI required for small<unk> s or areas not well visualized on CT (e.g. posterior fossa)
Evaluate for other causes of symptoms (i.e. stroke, metabolic derangement, ICH)
Central nervous system tumor
Spinal cord injury
Multiple sclerosis
Ventriculoperitoneal shunt complications
Spinal stenosis
Epidural compression syndromes
Cerebellar stroke
Peripheral nerve syndromes