Brain Ischemia
| Definition: |
Localized reduction of blood flow to brain tissue due to arterial obtruction or systemic hypoperfusion. This frequently occurs in conjuction with brain hypoxia (HYPOXIA, BRAIN). Prolonged ischemia is associated with BRAIN INFARCTION. |
| Notes: |
ISCHEMIC ATTACK, TRANSIENT is abailable; do not confuse with HYPOXIA, BRAIN, reduced oxygen supply |
| Also Called: |
Brain Injury, Ischemic,Cerebral Ischemia |
| Previously Indexed: |
Brain/blood supply (1966-1978),Cerebrovascular Disorders (1966-1978),Ischemia (1966-1978) |
Brain Ischemia Categories.
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Vertebrobasilar Insufficiency - Localized or diffuse reduction in blood flow through the vertebrobasilar arterial system, which supplies the BRAIN STEM; CEREBELLUM; OCCIPITAL LOBE; medial TEMPORAL LOBE; and THALAMUS. Characteristic clinical features include SYNCOPE; lightheadedness; visual disturbances; and VERTIGO. BRAIN STEM INFARCTIONS or other BRAIN INFARCTION may be associated. |
Brain Ischemia Definitions and Terms
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