<unk>  refers to a condition in which blood vessels spasm, leading to vasoconstriction. This can lead to tissue ischemia and death (necrosis). Cerebral<unk>  may arise in the context of subarachnoid hemorrhage.  Symptomatic<unk>  or delayed cerebral ischemia is a major contributor to post-operative stroke and death after aneurysmal subarachnoid hemorrhage.<unk>  typically appears 4 to 10 days after subarachnoid hemorrhage.
Vasospasm
Leukostasis
Andropause
Mydriasis
Muscle spasm
Irritation
Bronchospasm
Sedation