<unk>  refers to a condition in which an arterial spasm leads to vasoconstriction. This can lead to tissue ischemia and tissue 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 especially after aneurysmal subarachnoid hemorrhage.<unk>  typically appears 4 to 10 days after subarachnoid hemorrhage. Along with physical resistance,<unk>  is a main cause of ischemia. Like physical resistance,<unk> s can occur due to atherosclerosis.<unk>  is the major cause of Prinzmetal's angina.
Vasospasm
Allostasis
Venospasm
Cyclospasm
Cardiovascular drift
Leukostasis
Proarrhythmia
Vasoactivity