All are true about temporal aeritis except
Worsens on exposure to heat Tempral aeritis worsen's on exposure to cold: ? - Temporal aeritis does not worsen on exposure to heat. "Infact, the headache worsens on exposure to cold" - Worsening on exposure to heat occurs in Multiple sclerosis (Uh- thoff's symptoms) Multiple sclerosis shows heat sensitivity, it refers to neurological symptoms produced by an elevation of the bodys core temperature. For example, unilateral visual blurring may occur during a hot shower or with physical exercise (Uhthoff'symptoms). It is also common for MS symptoms to worsen transiently sometimes dramatically during .febrile illness. Can lead to sudden 13/1 blindness -Visual symptoms are common in temporal aeritis especially loss of vision and diplopia. - Vision loss can he unilateral or less commonly b/1, transient or permanent and paial or complete. - Loss of vision often reflects an anterior ischemic optic neuropathy caused by occlusive aeritis of posterior ciliary aery, the chief blood supply of the head of the optic nerve. - Less frequently vision loss in GCA occurs due to retinal aery occlusion. - Regardless of the site of the culprit lesion vision loss in GCA is usually profound with more than 80% of patients unable to see hand waving. - "A significant propoion of patient presents with visual loss which can be sudden, severe and NU. - The visual loss is unilateral in 46%, sequential in 37% and B/L in 17%. Common in elderly females -Giant cell aeritis is a disease of the elderly and is common in elderly females. Also see Nov 09.for complete topic.
Can leads to sudden bilateral blindness
More common in females
Worsen on exposure to heat
Mostly affects elderly