The syndrome which accompanies the acute onset or aggravation of Addison's disease or other forms of adrenal insufficiency, resulting in lethargy, fever, vascular collapse, and often death.

Contralateral (opposite side) weakness and numbness, aphasia, and ipsilateral (same side) monocular blindness as a result of atherosclerosis (thickening and hardening of the walls of arteries as a result of fat deposits on their inner lining) or other lesion causing obstruction of an internal carotid artery or one of its major banches.